Home / 2,678,100.03-4,015,404.09-971,921.70

Finding the Fourth Proportional to 2,678,100.03, 4,015,404.09 and 971,921.70

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Solution

The fourth proportional to 2,678,100.03, 4,015,404.09 and 971,921.70 is: 1,457,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,100.03 : 4,015,404.09 = 971,921.70 : x
  2. Step 2: Convert to fraction form
    2,678,100.03/4,015,404.09 = 971,921.70/x
  3. Step 3: Cross multiply
    2,678,100.03x = 4,015,404.09 × 971,921.70
  4. Step 4: Simplify right side
    2,678,100.03x = 3,902,658,369,339.75
  5. Step 5: Solve for x
    x = 3,902,658,369,339.75/2,678,100.03
  6. Step 6: Final answer
    x = 1,457,248.92

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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.