Home / 1,913,445.40-2,870,168.10-1,600,850.20

Finding the Fourth Proportional to 1,913,445.40, 2,870,168.10 and 1,600,850.20

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Solution

The fourth proportional to 1,913,445.40, 2,870,168.10 and 1,600,850.20 is: 2,401,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,445.40 : 2,870,168.10 = 1,600,850.20 : x
  2. Step 2: Convert to fraction form
    1,913,445.40/2,870,168.10 = 1,600,850.20/x
  3. Step 3: Cross multiply
    1,913,445.40x = 2,870,168.10 × 1,600,850.20
  4. Step 4: Simplify right side
    1,913,445.40x = 4,594,709,176,918.62
  5. Step 5: Solve for x
    x = 4,594,709,176,918.62/1,913,445.40
  6. Step 6: Final answer
    x = 2,401,275.30

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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.