Home / 3,057,195.15-4,218,981.68-1,680,596.86

Finding the Fourth Proportional to 3,057,195.15, 4,218,981.68 and 1,680,596.86

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Solution

The fourth proportional to 3,057,195.15, 4,218,981.68 and 1,680,596.86 is: 2,319,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,195.15 : 4,218,981.68 = 1,680,596.86 : x
  2. Step 2: Convert to fraction form
    3,057,195.15/4,218,981.68 = 1,680,596.86/x
  3. Step 3: Cross multiply
    3,057,195.15x = 4,218,981.68 × 1,680,596.86
  4. Step 4: Simplify right side
    3,057,195.15x = 7,090,407,334,307.63
  5. Step 5: Solve for x
    x = 7,090,407,334,307.63/3,057,195.15
  6. Step 6: Final answer
    x = 2,319,252.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.