Home / 2,590,436.40-3,885,654.60-2,117,655.60

Finding the Fourth Proportional to 2,590,436.40, 3,885,654.60 and 2,117,655.60

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Solution

The fourth proportional to 2,590,436.40, 3,885,654.60 and 2,117,655.60 is: 3,176,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,436.40 : 3,885,654.60 = 2,117,655.60 : x
  2. Step 2: Convert to fraction form
    2,590,436.40/3,885,654.60 = 2,117,655.60/x
  3. Step 3: Cross multiply
    2,590,436.40x = 3,885,654.60 × 2,117,655.60
  4. Step 4: Simplify right side
    2,590,436.40x = 8,228,478,223,355.76
  5. Step 5: Solve for x
    x = 8,228,478,223,355.76/2,590,436.40
  6. Step 6: Final answer
    x = 3,176,483.40

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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.