Home / 4,118,612.32-5,677,384.62-2,891,475.28

Finding the Fourth Proportional to 4,118,612.32, 5,677,384.62 and 2,891,475.28

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Solution

The fourth proportional to 4,118,612.32, 5,677,384.62 and 2,891,475.28 is: 3,985,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,612.32 : 5,677,384.62 = 2,891,475.28 : x
  2. Step 2: Convert to fraction form
    4,118,612.32/5,677,384.62 = 2,891,475.28/x
  3. Step 3: Cross multiply
    4,118,612.32x = 5,677,384.62 × 2,891,475.28
  4. Step 4: Simplify right side
    4,118,612.32x = 16,416,017,283,782.19
  5. Step 5: Solve for x
    x = 16,416,017,283,782.19/4,118,612.32
  6. Step 6: Final answer
    x = 3,985,812.70

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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.