Home / 5,479,943.40-8,219,915.10-1,436,423.40

Finding the Fourth Proportional to 5,479,943.40, 8,219,915.10 and 1,436,423.40

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Solution

The fourth proportional to 5,479,943.40, 8,219,915.10 and 1,436,423.40 is: 2,154,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,943.40 : 8,219,915.10 = 1,436,423.40 : x
  2. Step 2: Convert to fraction form
    5,479,943.40/8,219,915.10 = 1,436,423.40/x
  3. Step 3: Cross multiply
    5,479,943.40x = 8,219,915.10 × 1,436,423.40
  4. Step 4: Simplify right side
    5,479,943.40x = 11,807,278,395,653.34
  5. Step 5: Solve for x
    x = 11,807,278,395,653.34/5,479,943.40
  6. Step 6: Final answer
    x = 2,154,635.10

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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.