Home / 2,190,685.60-3,286,402-976,702.72

Finding the Fourth Proportional to 2,190,685.60, 3,286,402 and 976,702.72

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Solution

The fourth proportional to 2,190,685.60, 3,286,402 and 976,702.72 is: 1,465,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,685.60 : 3,286,402 = 976,702.72 : x
  2. Step 2: Convert to fraction form
    2,190,685.60/3,286,402 = 976,702.72/x
  3. Step 3: Cross multiply
    2,190,685.60x = 3,286,402 × 976,702.72
  4. Step 4: Simplify right side
    2,190,685.60x = 3,209,837,772,413.44
  5. Step 5: Solve for x
    x = 3,209,837,772,413.44/2,190,685.60
  6. Step 6: Final answer
    x = 1,465,220.65

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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.