Home / 5,461,407.54-7,539,575.81-3,989,663.82

Finding the Fourth Proportional to 5,461,407.54, 7,539,575.81 and 3,989,663.82

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Solution

The fourth proportional to 5,461,407.54, 7,539,575.81 and 3,989,663.82 is: 5,507,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,407.54 : 7,539,575.81 = 3,989,663.82 : x
  2. Step 2: Convert to fraction form
    5,461,407.54/7,539,575.81 = 3,989,663.82/x
  3. Step 3: Cross multiply
    5,461,407.54x = 7,539,575.81 × 3,989,663.82
  4. Step 4: Simplify right side
    5,461,407.54x = 30,080,372,807,355.87
  5. Step 5: Solve for x
    x = 30,080,372,807,355.87/5,461,407.54
  6. Step 6: Final answer
    x = 5,507,805.92

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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.