Home / 5,680,457.40-8,520,729.30-1,893,934.20

Finding the Fourth Proportional to 5,680,457.40, 8,520,729.30 and 1,893,934.20

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Solution

The fourth proportional to 5,680,457.40, 8,520,729.30 and 1,893,934.20 is: 2,840,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680,457.40 : 8,520,729.30 = 1,893,934.20 : x
  2. Step 2: Convert to fraction form
    5,680,457.40/8,520,729.30 = 1,893,934.20/x
  3. Step 3: Cross multiply
    5,680,457.40x = 8,520,729.30 × 1,893,934.20
  4. Step 4: Simplify right side
    5,680,457.40x = 16,137,700,630,212.06
  5. Step 5: Solve for x
    x = 16,137,700,630,212.06/5,680,457.40
  6. Step 6: Final answer
    x = 2,840,915.70

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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.