Home / 3,737,520-5,607,216.36-1,078,128

Finding the Fourth Proportional to 3,737,520, 5,607,216.36 and 1,078,128

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Solution

The fourth proportional to 3,737,520, 5,607,216.36 and 1,078,128 is: 1,617,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737,520 : 5,607,216.36 = 1,078,128 : x
  2. Step 2: Convert to fraction form
    3,737,520/5,607,216.36 = 1,078,128/x
  3. Step 3: Cross multiply
    3,737,520x = 5,607,216.36 × 1,078,128
  4. Step 4: Simplify right side
    3,737,520x = 6,045,296,959,774.08
  5. Step 5: Solve for x
    x = 6,045,296,959,774.08/3,737,520
  6. Step 6: Final answer
    x = 1,617,462.10

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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.