Home / 3,812,587.12-5,261,387.88-2,181,012.40

Finding the Fourth Proportional to 3,812,587.12, 5,261,387.88 and 2,181,012.40

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Solution

The fourth proportional to 3,812,587.12, 5,261,387.88 and 2,181,012.40 is: 3,009,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,587.12 : 5,261,387.88 = 2,181,012.40 : x
  2. Step 2: Convert to fraction form
    3,812,587.12/5,261,387.88 = 2,181,012.40/x
  3. Step 3: Cross multiply
    3,812,587.12x = 5,261,387.88 × 2,181,012.40
  4. Step 4: Simplify right side
    3,812,587.12x = 11,475,152,207,489.71
  5. Step 5: Solve for x
    x = 11,475,152,207,489.71/3,812,587.12
  6. Step 6: Final answer
    x = 3,009,807.21

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1.5x scale

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.