Home / 4,920,805.40-7,381,208.10-3,021,387.80

Finding the Fourth Proportional to 4,920,805.40, 7,381,208.10 and 3,021,387.80

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Solution

The fourth proportional to 4,920,805.40, 7,381,208.10 and 3,021,387.80 is: 4,532,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,805.40 : 7,381,208.10 = 3,021,387.80 : x
  2. Step 2: Convert to fraction form
    4,920,805.40/7,381,208.10 = 3,021,387.80/x
  3. Step 3: Cross multiply
    4,920,805.40x = 7,381,208.10 × 3,021,387.80
  4. Step 4: Simplify right side
    4,920,805.40x = 22,301,492,102,601.18
  5. Step 5: Solve for x
    x = 22,301,492,102,601.18/4,920,805.40
  6. Step 6: Final answer
    x = 4,532,081.70

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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.