Home / 2,689,811.60-4,036,920.60-2,668,816.40

Finding the Fourth Proportional to 2,689,811.60, 4,036,920.60 and 2,668,816.40

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Solution

The fourth proportional to 2,689,811.60, 4,036,920.60 and 2,668,816.40 is: 4,005,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,811.60 : 4,036,920.60 = 2,668,816.40 : x
  2. Step 2: Convert to fraction form
    2,689,811.60/4,036,920.60 = 2,668,816.40/x
  3. Step 3: Cross multiply
    2,689,811.60x = 4,036,920.60 × 2,668,816.40
  4. Step 4: Simplify right side
    2,689,811.60x = 10,773,799,902,777.84
  5. Step 5: Solve for x
    x = 10,773,799,902,777.84/2,689,811.60
  6. Step 6: Final answer
    x = 4,005,410.60

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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.