Home / 2,931,625.28-4,402,430.76-1,908,696.80

Finding the Fourth Proportional to 2,931,625.28, 4,402,430.76 and 1,908,696.80

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Solution

The fourth proportional to 2,931,625.28, 4,402,430.76 and 1,908,696.80 is: 2,866,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,625.28 : 4,402,430.76 = 1,908,696.80 : x
  2. Step 2: Convert to fraction form
    2,931,625.28/4,402,430.76 = 1,908,696.80/x
  3. Step 3: Cross multiply
    2,931,625.28x = 4,402,430.76 × 1,908,696.80
  4. Step 4: Simplify right side
    2,931,625.28x = 8,402,905,503,833.57
  5. Step 5: Solve for x
    x = 8,402,905,503,833.57/2,931,625.28
  6. Step 6: Final answer
    x = 2,866,295.89

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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.