Home / 2,689,801.60-4,036,905.60-2,668,806.40

Finding the Fourth Proportional to 2,689,801.60, 4,036,905.60 and 2,668,806.40

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Solution

The fourth proportional to 2,689,801.60, 4,036,905.60 and 2,668,806.40 is: 4,005,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,801.60 : 4,036,905.60 = 2,668,806.40 : x
  2. Step 2: Convert to fraction form
    2,689,801.60/4,036,905.60 = 2,668,806.40/x
  3. Step 3: Cross multiply
    2,689,801.60x = 4,036,905.60 × 2,668,806.40
  4. Step 4: Simplify right side
    2,689,801.60x = 10,773,719,501,475.84
  5. Step 5: Solve for x
    x = 10,773,719,501,475.84/2,689,801.60
  6. Step 6: Final answer
    x = 4,005,395.60

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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.