Home / 5,436,680.64-7,502,812.08-2,989,478.16

Finding the Fourth Proportional to 5,436,680.64, 7,502,812.08 and 2,989,478.16

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Solution

The fourth proportional to 5,436,680.64, 7,502,812.08 and 2,989,478.16 is: 4,125,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436,680.64 : 7,502,812.08 = 2,989,478.16 : x
  2. Step 2: Convert to fraction form
    5,436,680.64/7,502,812.08 = 2,989,478.16/x
  3. Step 3: Cross multiply
    5,436,680.64x = 7,502,812.08 × 2,989,478.16
  4. Step 4: Simplify right side
    5,436,680.64x = 22,429,492,851,744.18
  5. Step 5: Solve for x
    x = 22,429,492,851,744.18/5,436,680.64
  6. Step 6: Final answer
    x = 4,125,585.87

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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.