Home / 2,643,010.80-3,964,516.20-1,580,128.80

Finding the Fourth Proportional to 2,643,010.80, 3,964,516.20 and 1,580,128.80

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Solution

The fourth proportional to 2,643,010.80, 3,964,516.20 and 1,580,128.80 is: 2,370,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,010.80 : 3,964,516.20 = 1,580,128.80 : x
  2. Step 2: Convert to fraction form
    2,643,010.80/3,964,516.20 = 1,580,128.80/x
  3. Step 3: Cross multiply
    2,643,010.80x = 3,964,516.20 × 1,580,128.80
  4. Step 4: Simplify right side
    2,643,010.80x = 6,264,446,225,686.56
  5. Step 5: Solve for x
    x = 6,264,446,225,686.56/2,643,010.80
  6. Step 6: Final answer
    x = 2,370,193.20

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.