Home / 3,946,815.40-5,920,223.10-2,870,811.40

Finding the Fourth Proportional to 3,946,815.40, 5,920,223.10 and 2,870,811.40

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Solution

The fourth proportional to 3,946,815.40, 5,920,223.10 and 2,870,811.40 is: 4,306,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,815.40 : 5,920,223.10 = 2,870,811.40 : x
  2. Step 2: Convert to fraction form
    3,946,815.40/5,920,223.10 = 2,870,811.40/x
  3. Step 3: Cross multiply
    3,946,815.40x = 5,920,223.10 × 2,870,811.40
  4. Step 4: Simplify right side
    3,946,815.40x = 16,995,843,966,023.34
  5. Step 5: Solve for x
    x = 16,995,843,966,023.34/3,946,815.40
  6. Step 6: Final answer
    x = 4,306,217.10

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1.5x scale

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.