Home / 5,128,852.13-7,040,752.77-4,402,438.73

Finding the Fourth Proportional to 5,128,852.13, 7,040,752.77 and 4,402,438.73

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Solution

The fourth proportional to 5,128,852.13, 7,040,752.77 and 4,402,438.73 is: 6,043,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,852.13 : 7,040,752.77 = 4,402,438.73 : x
  2. Step 2: Convert to fraction form
    5,128,852.13/7,040,752.77 = 4,402,438.73/x
  3. Step 3: Cross multiply
    5,128,852.13x = 7,040,752.77 × 4,402,438.73
  4. Step 4: Simplify right side
    5,128,852.13x = 30,996,482,683,002.79
  5. Step 5: Solve for x
    x = 30,996,482,683,002.79/5,128,852.13
  6. Step 6: Final answer
    x = 6,043,551.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.