Home / 1,595,311.20-2,202,341.40-1,231,919.28

Finding the Fourth Proportional to 1,595,311.20, 2,202,341.40 and 1,231,919.28

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Solution

The fourth proportional to 1,595,311.20, 2,202,341.40 and 1,231,919.28 is: 1,700,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,311.20 : 2,202,341.40 = 1,231,919.28 : x
  2. Step 2: Convert to fraction form
    1,595,311.20/2,202,341.40 = 1,231,919.28/x
  3. Step 3: Cross multiply
    1,595,311.20x = 2,202,341.40 × 1,231,919.28
  4. Step 4: Simplify right side
    1,595,311.20x = 2,713,106,831,802.19
  5. Step 5: Solve for x
    x = 2,713,106,831,802.19/1,595,311.20
  6. Step 6: Final answer
    x = 1,700,675.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.