Home / 1,680,001.82-2,520,011.84-417,829.44

Finding the Fourth Proportional to 1,680,001.82, 2,520,011.84 and 417,829.44

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Solution

The fourth proportional to 1,680,001.82, 2,520,011.84 and 417,829.44 is: 626,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,001.82 : 2,520,011.84 = 417,829.44 : x
  2. Step 2: Convert to fraction form
    1,680,001.82/2,520,011.84 = 417,829.44/x
  3. Step 3: Cross multiply
    1,680,001.82x = 2,520,011.84 × 417,829.44
  4. Step 4: Simplify right side
    1,680,001.82x = 1,052,935,133,811.42
  5. Step 5: Solve for x
    x = 1,052,935,133,811.42/1,680,001.82
  6. Step 6: Final answer
    x = 626,746.43

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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.