Home / 5,200,465.60-7,790,200.80-2,953,979.20

Finding the Fourth Proportional to 5,200,465.60, 7,790,200.80 and 2,953,979.20

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Solution

The fourth proportional to 5,200,465.60, 7,790,200.80 and 2,953,979.20 is: 4,425,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,465.60 : 7,790,200.80 = 2,953,979.20 : x
  2. Step 2: Convert to fraction form
    5,200,465.60/7,790,200.80 = 2,953,979.20/x
  3. Step 3: Cross multiply
    5,200,465.60x = 7,790,200.80 × 2,953,979.20
  4. Step 4: Simplify right side
    5,200,465.60x = 23,012,091,127,023.36
  5. Step 5: Solve for x
    x = 23,012,091,127,023.36/5,200,465.60
  6. Step 6: Final answer
    x = 4,425,005.93

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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.