Home / 1,680,176.52-2,518,357.42-1,477,380.11

Finding the Fourth Proportional to 1,680,176.52, 2,518,357.42 and 1,477,380.11

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Solution

The fourth proportional to 1,680,176.52, 2,518,357.42 and 1,477,380.11 is: 2,214,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,176.52 : 2,518,357.42 = 1,477,380.11 : x
  2. Step 2: Convert to fraction form
    1,680,176.52/2,518,357.42 = 1,477,380.11/x
  3. Step 3: Cross multiply
    1,680,176.52x = 2,518,357.42 × 1,477,380.11
  4. Step 4: Simplify right side
    1,680,176.52x = 3,720,571,163,522.12
  5. Step 5: Solve for x
    x = 3,720,571,163,522.12/1,680,176.52
  6. Step 6: Final answer
    x = 2,214,393.02

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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.