Home / 5,179,438.40-7,152,138.16-3,249,017.20

Finding the Fourth Proportional to 5,179,438.40, 7,152,138.16 and 3,249,017.20

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Solution

The fourth proportional to 5,179,438.40, 7,152,138.16 and 3,249,017.20 is: 4,486,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,438.40 : 7,152,138.16 = 3,249,017.20 : x
  2. Step 2: Convert to fraction form
    5,179,438.40/7,152,138.16 = 3,249,017.20/x
  3. Step 3: Cross multiply
    5,179,438.40x = 7,152,138.16 × 3,249,017.20
  4. Step 4: Simplify right side
    5,179,438.40x = 23,237,419,898,616.36
  5. Step 5: Solve for x
    x = 23,237,419,898,616.36/5,179,438.40
  6. Step 6: Final answer
    x = 4,486,474.81

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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.