Home / 2,187,335.04-3,018,530.70-1,220,506.08

Finding the Fourth Proportional to 2,187,335.04, 3,018,530.70 and 1,220,506.08

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Solution

The fourth proportional to 2,187,335.04, 3,018,530.70 and 1,220,506.08 is: 1,684,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,335.04 : 3,018,530.70 = 1,220,506.08 : x
  2. Step 2: Convert to fraction form
    2,187,335.04/3,018,530.70 = 1,220,506.08/x
  3. Step 3: Cross multiply
    2,187,335.04x = 3,018,530.70 × 1,220,506.08
  4. Step 4: Simplify right side
    2,187,335.04x = 3,684,135,072,016.66
  5. Step 5: Solve for x
    x = 3,684,135,072,016.66/2,187,335.04
  6. Step 6: Final answer
    x = 1,684,303.05

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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.