Home / 2,985,890.10-4,478,835.15-1,637,531.70

Finding the Fourth Proportional to 2,985,890.10, 4,478,835.15 and 1,637,531.70

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Solution

The fourth proportional to 2,985,890.10, 4,478,835.15 and 1,637,531.70 is: 2,456,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,890.10 : 4,478,835.15 = 1,637,531.70 : x
  2. Step 2: Convert to fraction form
    2,985,890.10/4,478,835.15 = 1,637,531.70/x
  3. Step 3: Cross multiply
    2,985,890.10x = 4,478,835.15 × 1,637,531.70
  4. Step 4: Simplify right side
    2,985,890.10x = 7,334,234,537,199.26
  5. Step 5: Solve for x
    x = 7,334,234,537,199.26/2,985,890.10
  6. Step 6: Final answer
    x = 2,456,297.55

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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.