Home / 2,177,931.53-3,005,422.06-1,211,041.06

Finding the Fourth Proportional to 2,177,931.53, 3,005,422.06 and 1,211,041.06

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Solution

The fourth proportional to 2,177,931.53, 3,005,422.06 and 1,211,041.06 is: 1,671,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,931.53 : 3,005,422.06 = 1,211,041.06 : x
  2. Step 2: Convert to fraction form
    2,177,931.53/3,005,422.06 = 1,211,041.06/x
  3. Step 3: Cross multiply
    2,177,931.53x = 3,005,422.06 × 1,211,041.06
  4. Step 4: Simplify right side
    2,177,931.53x = 3,639,689,526,807.62
  5. Step 5: Solve for x
    x = 3,639,689,526,807.62/2,177,931.53
  6. Step 6: Final answer
    x = 1,671,168.02

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Double scale
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1.5x scale

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.