Home / 4,085,510.85-6,128,266.28-1,392,876.45

Finding the Fourth Proportional to 4,085,510.85, 6,128,266.28 and 1,392,876.45

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Solution

The fourth proportional to 4,085,510.85, 6,128,266.28 and 1,392,876.45 is: 2,089,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085,510.85 : 6,128,266.28 = 1,392,876.45 : x
  2. Step 2: Convert to fraction form
    4,085,510.85/6,128,266.28 = 1,392,876.45/x
  3. Step 3: Cross multiply
    4,085,510.85x = 6,128,266.28 × 1,392,876.45
  4. Step 4: Simplify right side
    4,085,510.85x = 8,535,917,773,776.72
  5. Step 5: Solve for x
    x = 8,535,917,773,776.72/4,085,510.85
  6. Step 6: Final answer
    x = 2,089,314.68

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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.