Home / 4,678,715.90-7,018,073.85-4,395,280.70

Finding the Fourth Proportional to 4,678,715.90, 7,018,073.85 and 4,395,280.70

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Solution

The fourth proportional to 4,678,715.90, 7,018,073.85 and 4,395,280.70 is: 6,592,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,715.90 : 7,018,073.85 = 4,395,280.70 : x
  2. Step 2: Convert to fraction form
    4,678,715.90/7,018,073.85 = 4,395,280.70/x
  3. Step 3: Cross multiply
    4,678,715.90x = 7,018,073.85 × 4,395,280.70
  4. Step 4: Simplify right side
    4,678,715.90x = 30,846,404,544,079.70
  5. Step 5: Solve for x
    x = 30,846,404,544,079.70/4,678,715.90
  6. Step 6: Final answer
    x = 6,592,921.05

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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.