Home / 2,603,019.60-3,905,112.60-1,005,440.40

Finding the Fourth Proportional to 2,603,019.60, 3,905,112.60 and 1,005,440.40

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Solution

The fourth proportional to 2,603,019.60, 3,905,112.60 and 1,005,440.40 is: 1,508,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,019.60 : 3,905,112.60 = 1,005,440.40 : x
  2. Step 2: Convert to fraction form
    2,603,019.60/3,905,112.60 = 1,005,440.40/x
  3. Step 3: Cross multiply
    2,603,019.60x = 3,905,112.60 × 1,005,440.40
  4. Step 4: Simplify right side
    2,603,019.60x = 3,926,357,974,589.04
  5. Step 5: Solve for x
    x = 3,926,357,974,589.04/2,603,019.60
  6. Step 6: Final answer
    x = 1,508,385.87

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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.