Home / 3,012,717.65-4,155,724.64-1,788,216.35

Finding the Fourth Proportional to 3,012,717.65, 4,155,724.64 and 1,788,216.35

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Solution

The fourth proportional to 3,012,717.65, 4,155,724.64 and 1,788,216.35 is: 2,466,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,717.65 : 4,155,724.64 = 1,788,216.35 : x
  2. Step 2: Convert to fraction form
    3,012,717.65/4,155,724.64 = 1,788,216.35/x
  3. Step 3: Cross multiply
    3,012,717.65x = 4,155,724.64 × 1,788,216.35
  4. Step 4: Simplify right side
    3,012,717.65x = 7,431,334,731,037.78
  5. Step 5: Solve for x
    x = 7,431,334,731,037.78/3,012,717.65
  6. Step 6: Final answer
    x = 2,466,654.90

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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.