Home / 2,154,461.91-3,232,165.86-638,263.55

Finding the Fourth Proportional to 2,154,461.91, 3,232,165.86 and 638,263.55

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Solution

The fourth proportional to 2,154,461.91, 3,232,165.86 and 638,263.55 is: 957,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,461.91 : 3,232,165.86 = 638,263.55 : x
  2. Step 2: Convert to fraction form
    2,154,461.91/3,232,165.86 = 638,263.55/x
  3. Step 3: Cross multiply
    2,154,461.91x = 3,232,165.86 × 638,263.55
  4. Step 4: Simplify right side
    2,154,461.91x = 2,062,973,639,831.57
  5. Step 5: Solve for x
    x = 2,062,973,639,831.57/2,154,461.91
  6. Step 6: Final answer
    x = 957,535.44

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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.