Home / 2,894,931.20-4,341,619.20-1,211,686.40

Finding the Fourth Proportional to 2,894,931.20, 4,341,619.20 and 1,211,686.40

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Solution

The fourth proportional to 2,894,931.20, 4,341,619.20 and 1,211,686.40 is: 1,817,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,931.20 : 4,341,619.20 = 1,211,686.40 : x
  2. Step 2: Convert to fraction form
    2,894,931.20/4,341,619.20 = 1,211,686.40/x
  3. Step 3: Cross multiply
    2,894,931.20x = 4,341,619.20 × 1,211,686.40
  4. Step 4: Simplify right side
    2,894,931.20x = 5,260,680,938,618.88
  5. Step 5: Solve for x
    x = 5,260,680,938,618.88/2,894,931.20
  6. Step 6: Final answer
    x = 1,817,204.13

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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.