Home / 3,275,643.70-4,913,465.55-1,681,320.70

Finding the Fourth Proportional to 3,275,643.70, 4,913,465.55 and 1,681,320.70

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Solution

The fourth proportional to 3,275,643.70, 4,913,465.55 and 1,681,320.70 is: 2,521,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275,643.70 : 4,913,465.55 = 1,681,320.70 : x
  2. Step 2: Convert to fraction form
    3,275,643.70/4,913,465.55 = 1,681,320.70/x
  3. Step 3: Cross multiply
    3,275,643.70x = 4,913,465.55 × 1,681,320.70
  4. Step 4: Simplify right side
    3,275,643.70x = 8,261,111,337,951.89
  5. Step 5: Solve for x
    x = 8,261,111,337,951.89/3,275,643.70
  6. Step 6: Final answer
    x = 2,521,981.05

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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.