Home / 2,637,403.20-3,956,104.80-1,787,097.60

Finding the Fourth Proportional to 2,637,403.20, 3,956,104.80 and 1,787,097.60

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Solution

The fourth proportional to 2,637,403.20, 3,956,104.80 and 1,787,097.60 is: 2,680,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,403.20 : 3,956,104.80 = 1,787,097.60 : x
  2. Step 2: Convert to fraction form
    2,637,403.20/3,956,104.80 = 1,787,097.60/x
  3. Step 3: Cross multiply
    2,637,403.20x = 3,956,104.80 × 1,787,097.60
  4. Step 4: Simplify right side
    2,637,403.20x = 7,069,945,393,428.48
  5. Step 5: Solve for x
    x = 7,069,945,393,428.48/2,637,403.20
  6. Step 6: Final answer
    x = 2,680,646.40

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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.