Home / 1,680,551.70-2,520,827.55-1,385,306.70

Finding the Fourth Proportional to 1,680,551.70, 2,520,827.55 and 1,385,306.70

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Solution

The fourth proportional to 1,680,551.70, 2,520,827.55 and 1,385,306.70 is: 2,077,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,551.70 : 2,520,827.55 = 1,385,306.70 : x
  2. Step 2: Convert to fraction form
    1,680,551.70/2,520,827.55 = 1,385,306.70/x
  3. Step 3: Cross multiply
    1,680,551.70x = 2,520,827.55 × 1,385,306.70
  4. Step 4: Simplify right side
    1,680,551.70x = 3,492,119,294,559.58
  5. Step 5: Solve for x
    x = 3,492,119,294,559.58/1,680,551.70
  6. Step 6: Final answer
    x = 2,077,960.05

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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.