Home / 3,630,159.79-5,009,430.33-1,998,248.40

Finding the Fourth Proportional to 3,630,159.79, 5,009,430.33 and 1,998,248.40

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Solution

The fourth proportional to 3,630,159.79, 5,009,430.33 and 1,998,248.40 is: 2,757,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,159.79 : 5,009,430.33 = 1,998,248.40 : x
  2. Step 2: Convert to fraction form
    3,630,159.79/5,009,430.33 = 1,998,248.40/x
  3. Step 3: Cross multiply
    3,630,159.79x = 5,009,430.33 × 1,998,248.40
  4. Step 4: Simplify right side
    3,630,159.79x = 10,010,086,141,833.97
  5. Step 5: Solve for x
    x = 10,010,086,141,833.97/3,630,159.79
  6. Step 6: Final answer
    x = 2,757,478.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.