Home / 1,535,845-2,119,203.66-891,117.40

Finding the Fourth Proportional to 1,535,845, 2,119,203.66 and 891,117.40

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Solution

The fourth proportional to 1,535,845, 2,119,203.66 and 891,117.40 is: 1,229,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,845 : 2,119,203.66 = 891,117.40 : x
  2. Step 2: Convert to fraction form
    1,535,845/2,119,203.66 = 891,117.40/x
  3. Step 3: Cross multiply
    1,535,845x = 2,119,203.66 × 891,117.40
  4. Step 4: Simplify right side
    1,535,845x = 1,888,459,255,569.68
  5. Step 5: Solve for x
    x = 1,888,459,255,569.68/1,535,845
  6. Step 6: Final answer
    x = 1,229,589.74

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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.