Home / 2,130,559.20-3,195,838.80-1,937,714.40

Finding the Fourth Proportional to 2,130,559.20, 3,195,838.80 and 1,937,714.40

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Solution

The fourth proportional to 2,130,559.20, 3,195,838.80 and 1,937,714.40 is: 2,906,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,559.20 : 3,195,838.80 = 1,937,714.40 : x
  2. Step 2: Convert to fraction form
    2,130,559.20/3,195,838.80 = 1,937,714.40/x
  3. Step 3: Cross multiply
    2,130,559.20x = 3,195,838.80 × 1,937,714.40
  4. Step 4: Simplify right side
    2,130,559.20x = 6,192,622,862,838.72
  5. Step 5: Solve for x
    x = 6,192,622,862,838.72/2,130,559.20
  6. Step 6: Final answer
    x = 2,906,571.60

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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.