Home / 3,423,678.90-4,729,598.16-2,734,445.88

Finding the Fourth Proportional to 3,423,678.90, 4,729,598.16 and 2,734,445.88

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Solution

The fourth proportional to 3,423,678.90, 4,729,598.16 and 2,734,445.88 is: 3,777,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423,678.90 : 4,729,598.16 = 2,734,445.88 : x
  2. Step 2: Convert to fraction form
    3,423,678.90/4,729,598.16 = 2,734,445.88/x
  3. Step 3: Cross multiply
    3,423,678.90x = 4,729,598.16 × 2,734,445.88
  4. Step 4: Simplify right side
    3,423,678.90x = 12,932,830,202,667.58
  5. Step 5: Solve for x
    x = 12,932,830,202,667.58/3,423,678.90
  6. Step 6: Final answer
    x = 3,777,465.87

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1.5x scale

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.