Home / 1,897,855.74-2,619,073.71-1,038,491.10

Finding the Fourth Proportional to 1,897,855.74, 2,619,073.71 and 1,038,491.10

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Solution

The fourth proportional to 1,897,855.74, 2,619,073.71 and 1,038,491.10 is: 1,433,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,855.74 : 2,619,073.71 = 1,038,491.10 : x
  2. Step 2: Convert to fraction form
    1,897,855.74/2,619,073.71 = 1,038,491.10/x
  3. Step 3: Cross multiply
    1,897,855.74x = 2,619,073.71 × 1,038,491.10
  4. Step 4: Simplify right side
    1,897,855.74x = 2,719,884,738,078.98
  5. Step 5: Solve for x
    x = 2,719,884,738,078.98/1,897,855.74
  6. Step 6: Final answer
    x = 1,433,135.66

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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.