Home / 4,920,113.70-7,381,207.35-2,078,763.30

Finding the Fourth Proportional to 4,920,113.70, 7,381,207.35 and 2,078,763.30

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Solution

The fourth proportional to 4,920,113.70, 7,381,207.35 and 2,078,763.30 is: 3,118,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,113.70 : 7,381,207.35 = 2,078,763.30 : x
  2. Step 2: Convert to fraction form
    4,920,113.70/7,381,207.35 = 2,078,763.30/x
  3. Step 3: Cross multiply
    4,920,113.70x = 7,381,207.35 × 2,078,763.30
  4. Step 4: Simplify right side
    4,920,113.70x = 15,343,782,948,870.25
  5. Step 5: Solve for x
    x = 15,343,782,948,870.25/4,920,113.70
  6. Step 6: Final answer
    x = 3,118,583.00

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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.