Home / 2,799,200.40-4,199,466.95-905,941.86

Finding the Fourth Proportional to 2,799,200.40, 4,199,466.95 and 905,941.86

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Solution

The fourth proportional to 2,799,200.40, 4,199,466.95 and 905,941.86 is: 1,359,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,200.40 : 4,199,466.95 = 905,941.86 : x
  2. Step 2: Convert to fraction form
    2,799,200.40/4,199,466.95 = 905,941.86/x
  3. Step 3: Cross multiply
    2,799,200.40x = 4,199,466.95 × 905,941.86
  4. Step 4: Simplify right side
    2,799,200.40x = 3,804,472,895,161.82
  5. Step 5: Solve for x
    x = 3,804,472,895,161.82/2,799,200.40
  6. Step 6: Final answer
    x = 1,359,128.45

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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.