Home / 5,376,040.80-8,064,061.20-1,386,952.80

Finding the Fourth Proportional to 5,376,040.80, 8,064,061.20 and 1,386,952.80

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Solution

The fourth proportional to 5,376,040.80, 8,064,061.20 and 1,386,952.80 is: 2,080,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,040.80 : 8,064,061.20 = 1,386,952.80 : x
  2. Step 2: Convert to fraction form
    5,376,040.80/8,064,061.20 = 1,386,952.80/x
  3. Step 3: Cross multiply
    5,376,040.80x = 8,064,061.20 × 1,386,952.80
  4. Step 4: Simplify right side
    5,376,040.80x = 11,184,472,260,711.36
  5. Step 5: Solve for x
    x = 11,184,472,260,711.36/5,376,040.80
  6. Step 6: Final answer
    x = 2,080,429.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.