Home / 3,124,089.60-4,311,642.96-1,747,509.78

Finding the Fourth Proportional to 3,124,089.60, 4,311,642.96 and 1,747,509.78

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Solution

The fourth proportional to 3,124,089.60, 4,311,642.96 and 1,747,509.78 is: 2,411,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,089.60 : 4,311,642.96 = 1,747,509.78 : x
  2. Step 2: Convert to fraction form
    3,124,089.60/4,311,642.96 = 1,747,509.78/x
  3. Step 3: Cross multiply
    3,124,089.60x = 4,311,642.96 × 1,747,509.78
  4. Step 4: Simplify right side
    3,124,089.60x = 7,534,638,240,468.15
  5. Step 5: Solve for x
    x = 7,534,638,240,468.15/3,124,089.60
  6. Step 6: Final answer
    x = 2,411,786.86

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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.