Home / 2,078,769.60-3,118,154.40-1,658,865.60

Finding the Fourth Proportional to 2,078,769.60, 3,118,154.40 and 1,658,865.60

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Solution

The fourth proportional to 2,078,769.60, 3,118,154.40 and 1,658,865.60 is: 2,488,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,769.60 : 3,118,154.40 = 1,658,865.60 : x
  2. Step 2: Convert to fraction form
    2,078,769.60/3,118,154.40 = 1,658,865.60/x
  3. Step 3: Cross multiply
    2,078,769.60x = 3,118,154.40 × 1,658,865.60
  4. Step 4: Simplify right side
    2,078,769.60x = 5,172,599,069,648.64
  5. Step 5: Solve for x
    x = 5,172,599,069,648.64/2,078,769.60
  6. Step 6: Final answer
    x = 2,488,298.40

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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.