Home / 1,915,543.08-2,875,184.52-1,581,981.84

Finding the Fourth Proportional to 1,915,543.08, 2,875,184.52 and 1,581,981.84

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Solution

The fourth proportional to 1,915,543.08, 2,875,184.52 and 1,581,981.84 is: 2,374,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,543.08 : 2,875,184.52 = 1,581,981.84 : x
  2. Step 2: Convert to fraction form
    1,915,543.08/2,875,184.52 = 1,581,981.84/x
  3. Step 3: Cross multiply
    1,915,543.08x = 2,875,184.52 × 1,581,981.84
  4. Step 4: Simplify right side
    1,915,543.08x = 4,548,489,697,289.12
  5. Step 5: Solve for x
    x = 4,548,489,697,289.12/1,915,543.08
  6. Step 6: Final answer
    x = 2,374,517.05

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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.