Home / 5,071,580.64-6,998,950.54-2,779,747.20

Finding the Fourth Proportional to 5,071,580.64, 6,998,950.54 and 2,779,747.20

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Solution

The fourth proportional to 5,071,580.64, 6,998,950.54 and 2,779,747.20 is: 3,836,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,580.64 : 6,998,950.54 = 2,779,747.20 : x
  2. Step 2: Convert to fraction form
    5,071,580.64/6,998,950.54 = 2,779,747.20/x
  3. Step 3: Cross multiply
    5,071,580.64x = 6,998,950.54 × 2,779,747.20
  4. Step 4: Simplify right side
    5,071,580.64x = 19,455,313,159,554.12
  5. Step 5: Solve for x
    x = 19,455,313,159,554.12/5,071,580.64
  6. Step 6: Final answer
    x = 3,836,143.90

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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.