Home / 1,719,137.80-2,578,706.70-1,341,224.20

Finding the Fourth Proportional to 1,719,137.80, 2,578,706.70 and 1,341,224.20

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Solution

The fourth proportional to 1,719,137.80, 2,578,706.70 and 1,341,224.20 is: 2,011,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,137.80 : 2,578,706.70 = 1,341,224.20 : x
  2. Step 2: Convert to fraction form
    1,719,137.80/2,578,706.70 = 1,341,224.20/x
  3. Step 3: Cross multiply
    1,719,137.80x = 2,578,706.70 × 1,341,224.20
  4. Step 4: Simplify right side
    1,719,137.80x = 3,458,623,830,742.14
  5. Step 5: Solve for x
    x = 3,458,623,830,742.14/1,719,137.80
  6. Step 6: Final answer
    x = 2,011,836.30

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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.