Home / 2,127,633.16-2,936,119.80-1,209,862.36

Finding the Fourth Proportional to 2,127,633.16, 2,936,119.80 and 1,209,862.36

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Solution

The fourth proportional to 2,127,633.16, 2,936,119.80 and 1,209,862.36 is: 1,669,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,633.16 : 2,936,119.80 = 1,209,862.36 : x
  2. Step 2: Convert to fraction form
    2,127,633.16/2,936,119.80 = 1,209,862.36/x
  3. Step 3: Cross multiply
    2,127,633.16x = 2,936,119.80 × 1,209,862.36
  4. Step 4: Simplify right side
    2,127,633.16x = 3,552,300,830,470.73
  5. Step 5: Solve for x
    x = 3,552,300,830,470.73/2,127,633.16
  6. Step 6: Final answer
    x = 1,669,602.12

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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.