Home / 3,116,543.90-4,674,815.85-2,990,572.70

Finding the Fourth Proportional to 3,116,543.90, 4,674,815.85 and 2,990,572.70

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Solution

The fourth proportional to 3,116,543.90, 4,674,815.85 and 2,990,572.70 is: 4,485,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,543.90 : 4,674,815.85 = 2,990,572.70 : x
  2. Step 2: Convert to fraction form
    3,116,543.90/4,674,815.85 = 2,990,572.70/x
  3. Step 3: Cross multiply
    3,116,543.90x = 4,674,815.85 × 2,990,572.70
  4. Step 4: Simplify right side
    3,116,543.90x = 13,980,376,658,537.29
  5. Step 5: Solve for x
    x = 13,980,376,658,537.29/3,116,543.90
  6. Step 6: Final answer
    x = 4,485,859.05

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Similar ratio
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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.