Home / 5,254,362.40-7,881,543.60-2,979,007.60

Finding the Fourth Proportional to 5,254,362.40, 7,881,543.60 and 2,979,007.60

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Solution

The fourth proportional to 5,254,362.40, 7,881,543.60 and 2,979,007.60 is: 4,468,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,362.40 : 7,881,543.60 = 2,979,007.60 : x
  2. Step 2: Convert to fraction form
    5,254,362.40/7,881,543.60 = 2,979,007.60/x
  3. Step 3: Cross multiply
    5,254,362.40x = 7,881,543.60 × 2,979,007.60
  4. Step 4: Simplify right side
    5,254,362.40x = 23,479,178,284,131.36
  5. Step 5: Solve for x
    x = 23,479,178,284,131.36/5,254,362.40
  6. Step 6: Final answer
    x = 4,468,511.40

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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.