Home / 5,357,877.62-7,400,281.66-3,905,243.06

Finding the Fourth Proportional to 5,357,877.62, 7,400,281.66 and 3,905,243.06

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Solution

The fourth proportional to 5,357,877.62, 7,400,281.66 and 3,905,243.06 is: 5,393,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,877.62 : 7,400,281.66 = 3,905,243.06 : x
  2. Step 2: Convert to fraction form
    5,357,877.62/7,400,281.66 = 3,905,243.06/x
  3. Step 3: Cross multiply
    5,357,877.62x = 7,400,281.66 × 3,905,243.06
  4. Step 4: Simplify right side
    5,357,877.62x = 28,899,898,594,760.28
  5. Step 5: Solve for x
    x = 28,899,898,594,760.28/5,357,877.62
  6. Step 6: Final answer
    x = 5,393,907.93

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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.