Home / 5,352,789.91-7,386,856.06-2,905,400.30

Finding the Fourth Proportional to 5,352,789.91, 7,386,856.06 and 2,905,400.30

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Solution

The fourth proportional to 5,352,789.91, 7,386,856.06 and 2,905,400.30 is: 4,009,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,789.91 : 7,386,856.06 = 2,905,400.30 : x
  2. Step 2: Convert to fraction form
    5,352,789.91/7,386,856.06 = 2,905,400.30/x
  3. Step 3: Cross multiply
    5,352,789.91x = 7,386,856.06 × 2,905,400.30
  4. Step 4: Simplify right side
    5,352,789.91x = 21,461,773,812,780.82
  5. Step 5: Solve for x
    x = 21,461,773,812,780.82/5,352,789.91
  6. Step 6: Final answer
    x = 4,009,455.66

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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.