Home / 2,130,143.80-3,195,243.94-710,200.32

Finding the Fourth Proportional to 2,130,143.80, 3,195,243.94 and 710,200.32

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Solution

The fourth proportional to 2,130,143.80, 3,195,243.94 and 710,200.32 is: 1,065,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,143.80 : 3,195,243.94 = 710,200.32 : x
  2. Step 2: Convert to fraction form
    2,130,143.80/3,195,243.94 = 710,200.32/x
  3. Step 3: Cross multiply
    2,130,143.80x = 3,195,243.94 × 710,200.32
  4. Step 4: Simplify right side
    2,130,143.80x = 2,269,263,268,666.06
  5. Step 5: Solve for x
    x = 2,269,263,268,666.06/2,130,143.80
  6. Step 6: Final answer
    x = 1,065,309.90

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Double scale
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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.