Home / 5,459,780.40-8,196,409.80-3,438,020.40

Finding the Fourth Proportional to 5,459,780.40, 8,196,409.80 and 3,438,020.40

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Solution

The fourth proportional to 5,459,780.40, 8,196,409.80 and 3,438,020.40 is: 5,161,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,780.40 : 8,196,409.80 = 3,438,020.40 : x
  2. Step 2: Convert to fraction form
    5,459,780.40/8,196,409.80 = 3,438,020.40/x
  3. Step 3: Cross multiply
    5,459,780.40x = 8,196,409.80 × 3,438,020.40
  4. Step 4: Simplify right side
    5,459,780.40x = 28,179,424,099,159.92
  5. Step 5: Solve for x
    x = 28,179,424,099,159.92/5,459,780.40
  6. Step 6: Final answer
    x = 5,161,274.27

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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.