Home / 3,280,505.90-4,920,758.85-1,036,643.90

Finding the Fourth Proportional to 3,280,505.90, 4,920,758.85 and 1,036,643.90

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Solution

The fourth proportional to 3,280,505.90, 4,920,758.85 and 1,036,643.90 is: 1,554,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,505.90 : 4,920,758.85 = 1,036,643.90 : x
  2. Step 2: Convert to fraction form
    3,280,505.90/4,920,758.85 = 1,036,643.90/x
  3. Step 3: Cross multiply
    3,280,505.90x = 4,920,758.85 × 1,036,643.90
  4. Step 4: Simplify right side
    3,280,505.90x = 5,101,074,645,223.51
  5. Step 5: Solve for x
    x = 5,101,074,645,223.51/3,280,505.90
  6. Step 6: Final answer
    x = 1,554,965.85

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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.