Home / 5,091,648.95-7,637,712.62-1,680,233.72

Finding the Fourth Proportional to 5,091,648.95, 7,637,712.62 and 1,680,233.72

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Solution

The fourth proportional to 5,091,648.95, 7,637,712.62 and 1,680,233.72 is: 2,520,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091,648.95 : 7,637,712.62 = 1,680,233.72 : x
  2. Step 2: Convert to fraction form
    5,091,648.95/7,637,712.62 = 1,680,233.72/x
  3. Step 3: Cross multiply
    5,091,648.95x = 7,637,712.62 × 1,680,233.72
  4. Step 4: Simplify right side
    5,091,648.95x = 12,833,142,241,203.82
  5. Step 5: Solve for x
    x = 12,833,142,241,203.82/5,091,648.95
  6. Step 6: Final answer
    x = 2,520,429.50

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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.