Home / 3,165,492.20-4,748,238.30-921,703.40

Finding the Fourth Proportional to 3,165,492.20, 4,748,238.30 and 921,703.40

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Solution

The fourth proportional to 3,165,492.20, 4,748,238.30 and 921,703.40 is: 1,382,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,492.20 : 4,748,238.30 = 921,703.40 : x
  2. Step 2: Convert to fraction form
    3,165,492.20/4,748,238.30 = 921,703.40/x
  3. Step 3: Cross multiply
    3,165,492.20x = 4,748,238.30 × 921,703.40
  4. Step 4: Simplify right side
    3,165,492.20x = 4,376,467,385,120.22
  5. Step 5: Solve for x
    x = 4,376,467,385,120.22/3,165,492.20
  6. Step 6: Final answer
    x = 1,382,555.10

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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.