Home / 1,912,522.18-2,639,338.66-1,053,113.22

Finding the Fourth Proportional to 1,912,522.18, 2,639,338.66 and 1,053,113.22

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Solution

The fourth proportional to 1,912,522.18, 2,639,338.66 and 1,053,113.22 is: 1,453,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,522.18 : 2,639,338.66 = 1,053,113.22 : x
  2. Step 2: Convert to fraction form
    1,912,522.18/2,639,338.66 = 1,053,113.22/x
  3. Step 3: Cross multiply
    1,912,522.18x = 2,639,338.66 × 1,053,113.22
  4. Step 4: Simplify right side
    1,912,522.18x = 2,779,522,434,903.09
  5. Step 5: Solve for x
    x = 2,779,522,434,903.09/1,912,522.18
  6. Step 6: Final answer
    x = 1,453,328.21

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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.