Home / 2,931,206.40-4,396,809.60-1,012,113.90

Finding the Fourth Proportional to 2,931,206.40, 4,396,809.60 and 1,012,113.90

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Solution

The fourth proportional to 2,931,206.40, 4,396,809.60 and 1,012,113.90 is: 1,518,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,206.40 : 4,396,809.60 = 1,012,113.90 : x
  2. Step 2: Convert to fraction form
    2,931,206.40/4,396,809.60 = 1,012,113.90/x
  3. Step 3: Cross multiply
    2,931,206.40x = 4,396,809.60 × 1,012,113.90
  4. Step 4: Simplify right side
    2,931,206.40x = 4,450,072,111,813.44
  5. Step 5: Solve for x
    x = 4,450,072,111,813.44/2,931,206.40
  6. Step 6: Final answer
    x = 1,518,170.85

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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.