Home / 1,620,491.34-2,236,323.14-895,385.78

Finding the Fourth Proportional to 1,620,491.34, 2,236,323.14 and 895,385.78

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Solution

The fourth proportional to 1,620,491.34, 2,236,323.14 and 895,385.78 is: 1,235,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,491.34 : 2,236,323.14 = 895,385.78 : x
  2. Step 2: Convert to fraction form
    1,620,491.34/2,236,323.14 = 895,385.78/x
  3. Step 3: Cross multiply
    1,620,491.34x = 2,236,323.14 × 895,385.78
  4. Step 4: Simplify right side
    1,620,491.34x = 2,002,371,939,040.95
  5. Step 5: Solve for x
    x = 2,002,371,939,040.95/1,620,491.34
  6. Step 6: Final answer
    x = 1,235,657.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.