Home / 2,140,830.74-3,210,446.02-861,006.24

Finding the Fourth Proportional to 2,140,830.74, 3,210,446.02 and 861,006.24

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Solution

The fourth proportional to 2,140,830.74, 3,210,446.02 and 861,006.24 is: 1,291,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,830.74 : 3,210,446.02 = 861,006.24 : x
  2. Step 2: Convert to fraction form
    2,140,830.74/3,210,446.02 = 861,006.24/x
  3. Step 3: Cross multiply
    2,140,830.74x = 3,210,446.02 × 861,006.24
  4. Step 4: Simplify right side
    2,140,830.74x = 2,764,214,056,403.16
  5. Step 5: Solve for x
    x = 2,764,214,056,403.16/2,140,830.74
  6. Step 6: Final answer
    x = 1,291,187.58

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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.