Home / 1,931,790.30-2,894,920.65-1,340,123.10

Finding the Fourth Proportional to 1,931,790.30, 2,894,920.65 and 1,340,123.10

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Solution

The fourth proportional to 1,931,790.30, 2,894,920.65 and 1,340,123.10 is: 2,008,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,790.30 : 2,894,920.65 = 1,340,123.10 : x
  2. Step 2: Convert to fraction form
    1,931,790.30/2,894,920.65 = 1,340,123.10/x
  3. Step 3: Cross multiply
    1,931,790.30x = 2,894,920.65 × 1,340,123.10
  4. Step 4: Simplify right side
    1,931,790.30x = 3,879,550,035,732.02
  5. Step 5: Solve for x
    x = 3,879,550,035,732.02/1,931,790.30
  6. Step 6: Final answer
    x = 2,008,266.65

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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.