Home / 2,159,471.13-2,980,070.15-1,254,111.45

Finding the Fourth Proportional to 2,159,471.13, 2,980,070.15 and 1,254,111.45

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Solution

The fourth proportional to 2,159,471.13, 2,980,070.15 and 1,254,111.45 is: 1,730,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,471.13 : 2,980,070.15 = 1,254,111.45 : x
  2. Step 2: Convert to fraction form
    2,159,471.13/2,980,070.15 = 1,254,111.45/x
  3. Step 3: Cross multiply
    2,159,471.13x = 2,980,070.15 × 1,254,111.45
  4. Step 4: Simplify right side
    2,159,471.13x = 3,737,340,096,918.22
  5. Step 5: Solve for x
    x = 3,737,340,096,918.22/2,159,471.13
  6. Step 6: Final answer
    x = 1,730,673.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.