Home / 4,921,201.80-7,381,802.70-4,248,043.20

Finding the Fourth Proportional to 4,921,201.80, 7,381,802.70 and 4,248,043.20

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Solution

The fourth proportional to 4,921,201.80, 7,381,802.70 and 4,248,043.20 is: 6,372,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,201.80 : 7,381,802.70 = 4,248,043.20 : x
  2. Step 2: Convert to fraction form
    4,921,201.80/7,381,802.70 = 4,248,043.20/x
  3. Step 3: Cross multiply
    4,921,201.80x = 7,381,802.70 × 4,248,043.20
  4. Step 4: Simplify right side
    4,921,201.80x = 31,358,216,763,476.64
  5. Step 5: Solve for x
    x = 31,358,216,763,476.64/4,921,201.80
  6. Step 6: Final answer
    x = 6,372,064.80

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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.