Home / 5,209,113.54-7,813,965.57-1,615,391.40

Finding the Fourth Proportional to 5,209,113.54, 7,813,965.57 and 1,615,391.40

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Solution

The fourth proportional to 5,209,113.54, 7,813,965.57 and 1,615,391.40 is: 2,423,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,113.54 : 7,813,965.57 = 1,615,391.40 : x
  2. Step 2: Convert to fraction form
    5,209,113.54/7,813,965.57 = 1,615,391.40/x
  3. Step 3: Cross multiply
    5,209,113.54x = 7,813,965.57 × 1,615,391.40
  4. Step 4: Simplify right side
    5,209,113.54x = 12,622,612,781,674.10
  5. Step 5: Solve for x
    x = 12,622,612,781,674.10/5,209,113.54
  6. Step 6: Final answer
    x = 2,423,178.66

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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.