Home / 2,810,921.88-4,209,585.30-1,609,199.40

Finding the Fourth Proportional to 2,810,921.88, 4,209,585.30 and 1,609,199.40

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Solution

The fourth proportional to 2,810,921.88, 4,209,585.30 and 1,609,199.40 is: 2,409,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,921.88 : 4,209,585.30 = 1,609,199.40 : x
  2. Step 2: Convert to fraction form
    2,810,921.88/4,209,585.30 = 1,609,199.40/x
  3. Step 3: Cross multiply
    2,810,921.88x = 4,209,585.30 × 1,609,199.40
  4. Step 4: Simplify right side
    2,810,921.88x = 6,774,062,139,008.82
  5. Step 5: Solve for x
    x = 6,774,062,139,008.82/2,810,921.88
  6. Step 6: Final answer
    x = 2,409,907.65

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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.