Home / 5,168,124.30-7,132,423.01-2,992,705.38

Finding the Fourth Proportional to 5,168,124.30, 7,132,423.01 and 2,992,705.38

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Solution

The fourth proportional to 5,168,124.30, 7,132,423.01 and 2,992,705.38 is: 4,130,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,124.30 : 7,132,423.01 = 2,992,705.38 : x
  2. Step 2: Convert to fraction form
    5,168,124.30/7,132,423.01 = 2,992,705.38/x
  3. Step 3: Cross multiply
    5,168,124.30x = 7,132,423.01 × 2,992,705.38
  4. Step 4: Simplify right side
    5,168,124.30x = 21,345,240,699,499.27
  5. Step 5: Solve for x
    x = 21,345,240,699,499.27/5,168,124.30
  6. Step 6: Final answer
    x = 4,130,171.69

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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.