Home / 1,925,403.86-2,888,172.76-914,004.78

Finding the Fourth Proportional to 1,925,403.86, 2,888,172.76 and 914,004.78

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Solution

The fourth proportional to 1,925,403.86, 2,888,172.76 and 914,004.78 is: 1,371,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,403.86 : 2,888,172.76 = 914,004.78 : x
  2. Step 2: Convert to fraction form
    1,925,403.86/2,888,172.76 = 914,004.78/x
  3. Step 3: Cross multiply
    1,925,403.86x = 2,888,172.76 × 914,004.78
  4. Step 4: Simplify right side
    1,925,403.86x = 2,639,803,708,105.79
  5. Step 5: Solve for x
    x = 2,639,803,708,105.79/1,925,403.86
  6. Step 6: Final answer
    x = 1,371,038.96

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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.