Home / 1,908,649.80-2,862,974.70-1,058,344.20

Finding the Fourth Proportional to 1,908,649.80, 2,862,974.70 and 1,058,344.20

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Solution

The fourth proportional to 1,908,649.80, 2,862,974.70 and 1,058,344.20 is: 1,587,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,649.80 : 2,862,974.70 = 1,058,344.20 : x
  2. Step 2: Convert to fraction form
    1,908,649.80/2,862,974.70 = 1,058,344.20/x
  3. Step 3: Cross multiply
    1,908,649.80x = 2,862,974.70 × 1,058,344.20
  4. Step 4: Simplify right side
    1,908,649.80x = 3,030,012,668,491.74
  5. Step 5: Solve for x
    x = 3,030,012,668,491.74/1,908,649.80
  6. Step 6: Final answer
    x = 1,587,516.30

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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.