Home / 5,209,672.80-7,814,509.20-1,615,411.20

Finding the Fourth Proportional to 5,209,672.80, 7,814,509.20 and 1,615,411.20

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Solution

The fourth proportional to 5,209,672.80, 7,814,509.20 and 1,615,411.20 is: 2,423,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,672.80 : 7,814,509.20 = 1,615,411.20 : x
  2. Step 2: Convert to fraction form
    5,209,672.80/7,814,509.20 = 1,615,411.20/x
  3. Step 3: Cross multiply
    5,209,672.80x = 7,814,509.20 × 1,615,411.20
  4. Step 4: Simplify right side
    5,209,672.80x = 12,623,645,684,183.04
  5. Step 5: Solve for x
    x = 12,623,645,684,183.04/5,209,672.80
  6. Step 6: Final answer
    x = 2,423,116.80

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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.