Home / 1,868,569.11-2,802,853.87-1,069,285.52

Finding the Fourth Proportional to 1,868,569.11, 2,802,853.87 and 1,069,285.52

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Solution

The fourth proportional to 1,868,569.11, 2,802,853.87 and 1,069,285.52 is: 1,603,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,569.11 : 2,802,853.87 = 1,069,285.52 : x
  2. Step 2: Convert to fraction form
    1,868,569.11/2,802,853.87 = 1,069,285.52/x
  3. Step 3: Cross multiply
    1,868,569.11x = 2,802,853.87 × 1,069,285.52
  4. Step 4: Simplify right side
    1,868,569.11x = 2,997,051,062,200.88
  5. Step 5: Solve for x
    x = 2,997,051,062,200.88/1,868,569.11
  6. Step 6: Final answer
    x = 1,603,928.40

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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.