Home / 4,886,679.40-7,344,015.90-4,270,820.20

Finding the Fourth Proportional to 4,886,679.40, 7,344,015.90 and 4,270,820.20

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Solution

The fourth proportional to 4,886,679.40, 7,344,015.90 and 4,270,820.20 is: 6,418,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,679.40 : 7,344,015.90 = 4,270,820.20 : x
  2. Step 2: Convert to fraction form
    4,886,679.40/7,344,015.90 = 4,270,820.20/x
  3. Step 3: Cross multiply
    4,886,679.40x = 7,344,015.90 × 4,270,820.20
  4. Step 4: Simplify right side
    4,886,679.40x = 31,364,971,454,841.18
  5. Step 5: Solve for x
    x = 31,364,971,454,841.18/4,886,679.40
  6. Step 6: Final answer
    x = 6,418,463.11

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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.