Home / 4,678,915.54-7,018,621.18-1,313,384.98

Finding the Fourth Proportional to 4,678,915.54, 7,018,621.18 and 1,313,384.98

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Solution

The fourth proportional to 4,678,915.54, 7,018,621.18 and 1,313,384.98 is: 1,970,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,915.54 : 7,018,621.18 = 1,313,384.98 : x
  2. Step 2: Convert to fraction form
    4,678,915.54/7,018,621.18 = 1,313,384.98/x
  3. Step 3: Cross multiply
    4,678,915.54x = 7,018,621.18 × 1,313,384.98
  4. Step 4: Simplify right side
    4,678,915.54x = 9,218,151,638,121.88
  5. Step 5: Solve for x
    x = 9,218,151,638,121.88/4,678,915.54
  6. Step 6: Final answer
    x = 1,970,147.05

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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.