Home / 1,931,930.60-2,898,414.30-1,723,015.40

Finding the Fourth Proportional to 1,931,930.60, 2,898,414.30 and 1,723,015.40

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Solution

The fourth proportional to 1,931,930.60, 2,898,414.30 and 1,723,015.40 is: 2,584,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,930.60 : 2,898,414.30 = 1,723,015.40 : x
  2. Step 2: Convert to fraction form
    1,931,930.60/2,898,414.30 = 1,723,015.40/x
  3. Step 3: Cross multiply
    1,931,930.60x = 2,898,414.30 × 1,723,015.40
  4. Step 4: Simplify right side
    1,931,930.60x = 4,994,012,474,480.22
  5. Step 5: Solve for x
    x = 4,994,012,474,480.22/1,931,930.60
  6. Step 6: Final answer
    x = 2,584,985.44

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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.