Home / 2,169,211.80-3,257,316.90-1,637,333.40

Finding the Fourth Proportional to 2,169,211.80, 3,257,316.90 and 1,637,333.40

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Solution

The fourth proportional to 2,169,211.80, 3,257,316.90 and 1,637,333.40 is: 2,458,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,211.80 : 3,257,316.90 = 1,637,333.40 : x
  2. Step 2: Convert to fraction form
    2,169,211.80/3,257,316.90 = 1,637,333.40/x
  3. Step 3: Cross multiply
    2,169,211.80x = 3,257,316.90 × 1,637,333.40
  4. Step 4: Simplify right side
    2,169,211.80x = 5,333,313,754,754.46
  5. Step 5: Solve for x
    x = 5,333,313,754,754.46/2,169,211.80
  6. Step 6: Final answer
    x = 2,458,641.32

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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.