Home / 5,147,547.54-7,721,380.76-1,553,345.62

Finding the Fourth Proportional to 5,147,547.54, 7,721,380.76 and 1,553,345.62

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Solution

The fourth proportional to 5,147,547.54, 7,721,380.76 and 1,553,345.62 is: 2,330,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,547.54 : 7,721,380.76 = 1,553,345.62 : x
  2. Step 2: Convert to fraction form
    5,147,547.54/7,721,380.76 = 1,553,345.62/x
  3. Step 3: Cross multiply
    5,147,547.54x = 7,721,380.76 × 1,553,345.62
  4. Step 4: Simplify right side
    5,147,547.54x = 11,993,972,983,898.27
  5. Step 5: Solve for x
    x = 11,993,972,983,898.27/5,147,547.54
  6. Step 6: Final answer
    x = 2,330,036.37

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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.