Home / 2,931,210.40-4,396,815.60-1,012,117.90

Finding the Fourth Proportional to 2,931,210.40, 4,396,815.60 and 1,012,117.90

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Solution

The fourth proportional to 2,931,210.40, 4,396,815.60 and 1,012,117.90 is: 1,518,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,210.40 : 4,396,815.60 = 1,012,117.90 : x
  2. Step 2: Convert to fraction form
    2,931,210.40/4,396,815.60 = 1,012,117.90/x
  3. Step 3: Cross multiply
    2,931,210.40x = 4,396,815.60 × 1,012,117.90
  4. Step 4: Simplify right side
    2,931,210.40x = 4,450,095,771,759.24
  5. Step 5: Solve for x
    x = 4,450,095,771,759.24/2,931,210.40
  6. Step 6: Final answer
    x = 1,518,176.85

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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.