Home / 2,187,370.40-3,287,276.40-1,913,655.20

Finding the Fourth Proportional to 2,187,370.40, 3,287,276.40 and 1,913,655.20

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Solution

The fourth proportional to 2,187,370.40, 3,287,276.40 and 1,913,655.20 is: 2,875,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,370.40 : 3,287,276.40 = 1,913,655.20 : x
  2. Step 2: Convert to fraction form
    2,187,370.40/3,287,276.40 = 1,913,655.20/x
  3. Step 3: Cross multiply
    2,187,370.40x = 3,287,276.40 × 1,913,655.20
  4. Step 4: Simplify right side
    2,187,370.40x = 6,290,713,576,697.28
  5. Step 5: Solve for x
    x = 6,290,713,576,697.28/2,187,370.40
  6. Step 6: Final answer
    x = 2,875,925.16

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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.