Home / 3,280,400.30-4,920,416.53-1,005,918.46

Finding the Fourth Proportional to 3,280,400.30, 4,920,416.53 and 1,005,918.46

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Solution

The fourth proportional to 3,280,400.30, 4,920,416.53 and 1,005,918.46 is: 1,508,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,400.30 : 4,920,416.53 = 1,005,918.46 : x
  2. Step 2: Convert to fraction form
    3,280,400.30/4,920,416.53 = 1,005,918.46/x
  3. Step 3: Cross multiply
    3,280,400.30x = 4,920,416.53 × 1,005,918.46
  4. Step 4: Simplify right side
    3,280,400.30x = 4,949,537,818,416.14
  5. Step 5: Solve for x
    x = 4,949,537,818,416.14/3,280,400.30
  6. Step 6: Final answer
    x = 1,508,821.29

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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.