Home / 1,897,153.76-2,617,336.78-1,208,702.32

Finding the Fourth Proportional to 1,897,153.76, 2,617,336.78 and 1,208,702.32

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Solution

The fourth proportional to 1,897,153.76, 2,617,336.78 and 1,208,702.32 is: 1,667,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,153.76 : 2,617,336.78 = 1,208,702.32 : x
  2. Step 2: Convert to fraction form
    1,897,153.76/2,617,336.78 = 1,208,702.32/x
  3. Step 3: Cross multiply
    1,897,153.76x = 2,617,336.78 × 1,208,702.32
  4. Step 4: Simplify right side
    1,897,153.76x = 3,163,581,028,642.23
  5. Step 5: Solve for x
    x = 3,163,581,028,642.23/1,897,153.76
  6. Step 6: Final answer
    x = 1,667,540.66

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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.