Home / 5,159,785.80-7,739,678.70-4,840,921.20

Finding the Fourth Proportional to 5,159,785.80, 7,739,678.70 and 4,840,921.20

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Solution

The fourth proportional to 5,159,785.80, 7,739,678.70 and 4,840,921.20 is: 7,261,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,785.80 : 7,739,678.70 = 4,840,921.20 : x
  2. Step 2: Convert to fraction form
    5,159,785.80/7,739,678.70 = 4,840,921.20/x
  3. Step 3: Cross multiply
    5,159,785.80x = 7,739,678.70 × 4,840,921.20
  4. Step 4: Simplify right side
    5,159,785.80x = 37,467,174,700,018.45
  5. Step 5: Solve for x
    x = 37,467,174,700,018.45/5,159,785.80
  6. Step 6: Final answer
    x = 7,261,381.80

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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.