Home / 5,155,612.33-7,721,644.73-2,461,833.80

Finding the Fourth Proportional to 5,155,612.33, 7,721,644.73 and 2,461,833.80

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Solution

The fourth proportional to 5,155,612.33, 7,721,644.73 and 2,461,833.80 is: 3,687,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,612.33 : 7,721,644.73 = 2,461,833.80 : x
  2. Step 2: Convert to fraction form
    5,155,612.33/7,721,644.73 = 2,461,833.80/x
  3. Step 3: Cross multiply
    5,155,612.33x = 7,721,644.73 × 2,461,833.80
  4. Step 4: Simplify right side
    5,155,612.33x = 19,009,406,013,364.57
  5. Step 5: Solve for x
    x = 19,009,406,013,364.57/5,155,612.33
  6. Step 6: Final answer
    x = 3,687,128.67

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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.