Home / 4,934,543.40-7,414,256.70-3,138,287.40

Finding the Fourth Proportional to 4,934,543.40, 7,414,256.70 and 3,138,287.40

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Solution

The fourth proportional to 4,934,543.40, 7,414,256.70 and 3,138,287.40 is: 4,715,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934,543.40 : 7,414,256.70 = 3,138,287.40 : x
  2. Step 2: Convert to fraction form
    4,934,543.40/7,414,256.70 = 3,138,287.40/x
  3. Step 3: Cross multiply
    4,934,543.40x = 7,414,256.70 × 3,138,287.40
  4. Step 4: Simplify right side
    4,934,543.40x = 23,268,068,381,975.58
  5. Step 5: Solve for x
    x = 23,268,068,381,975.58/4,934,543.40
  6. Step 6: Final answer
    x = 4,715,343.75

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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.