Home / 2,132,001.40-3,198,002.10-869,140.60

Finding the Fourth Proportional to 2,132,001.40, 3,198,002.10 and 869,140.60

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Solution

The fourth proportional to 2,132,001.40, 3,198,002.10 and 869,140.60 is: 1,303,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,001.40 : 3,198,002.10 = 869,140.60 : x
  2. Step 2: Convert to fraction form
    2,132,001.40/3,198,002.10 = 869,140.60/x
  3. Step 3: Cross multiply
    2,132,001.40x = 3,198,002.10 × 869,140.60
  4. Step 4: Simplify right side
    2,132,001.40x = 2,779,513,463,995.26
  5. Step 5: Solve for x
    x = 2,779,513,463,995.26/2,132,001.40
  6. Step 6: Final answer
    x = 1,303,710.90

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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.