Home / 1,888,125.80-2,832,188.70-1,216,279.40

Finding the Fourth Proportional to 1,888,125.80, 2,832,188.70 and 1,216,279.40

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Solution

The fourth proportional to 1,888,125.80, 2,832,188.70 and 1,216,279.40 is: 1,824,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,125.80 : 2,832,188.70 = 1,216,279.40 : x
  2. Step 2: Convert to fraction form
    1,888,125.80/2,832,188.70 = 1,216,279.40/x
  3. Step 3: Cross multiply
    1,888,125.80x = 2,832,188.70 × 1,216,279.40
  4. Step 4: Simplify right side
    1,888,125.80x = 3,444,732,772,722.78
  5. Step 5: Solve for x
    x = 3,444,732,772,722.78/1,888,125.80
  6. Step 6: Final answer
    x = 1,824,419.10

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1.5x scale

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.