Home / 1,998,065.40-2,758,591.07-1,386,004.07

Finding the Fourth Proportional to 1,998,065.40, 2,758,591.07 and 1,386,004.07

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Solution

The fourth proportional to 1,998,065.40, 2,758,591.07 and 1,386,004.07 is: 1,913,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,065.40 : 2,758,591.07 = 1,386,004.07 : x
  2. Step 2: Convert to fraction form
    1,998,065.40/2,758,591.07 = 1,386,004.07/x
  3. Step 3: Cross multiply
    1,998,065.40x = 2,758,591.07 × 1,386,004.07
  4. Step 4: Simplify right side
    1,998,065.40x = 3,823,418,429,762.68
  5. Step 5: Solve for x
    x = 3,823,418,429,762.68/1,998,065.40
  6. Step 6: Final answer
    x = 1,913,560.20

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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.