Home / 4,920,991.30-7,381,486.95-4,621,809.70

Finding the Fourth Proportional to 4,920,991.30, 7,381,486.95 and 4,621,809.70

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Solution

The fourth proportional to 4,920,991.30, 7,381,486.95 and 4,621,809.70 is: 6,932,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,991.30 : 7,381,486.95 = 4,621,809.70 : x
  2. Step 2: Convert to fraction form
    4,920,991.30/7,381,486.95 = 4,621,809.70/x
  3. Step 3: Cross multiply
    4,920,991.30x = 7,381,486.95 × 4,621,809.70
  4. Step 4: Simplify right side
    4,920,991.30x = 34,115,827,985,933.42
  5. Step 5: Solve for x
    x = 34,115,827,985,933.42/4,920,991.30
  6. Step 6: Final answer
    x = 6,932,714.55

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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.