Home / 4,920,903.80-7,381,355.70-3,401,376.20

Finding the Fourth Proportional to 4,920,903.80, 7,381,355.70 and 3,401,376.20

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Solution

The fourth proportional to 4,920,903.80, 7,381,355.70 and 3,401,376.20 is: 5,102,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,903.80 : 7,381,355.70 = 3,401,376.20 : x
  2. Step 2: Convert to fraction form
    4,920,903.80/7,381,355.70 = 3,401,376.20/x
  3. Step 3: Cross multiply
    4,920,903.80x = 7,381,355.70 × 3,401,376.20
  4. Step 4: Simplify right side
    4,920,903.80x = 25,106,767,601,714.34
  5. Step 5: Solve for x
    x = 25,106,767,601,714.34/4,920,903.80
  6. Step 6: Final answer
    x = 5,102,064.30

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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.