Home / 2,187,726.47-3,019,063.07-1,207,666.07

Finding the Fourth Proportional to 2,187,726.47, 3,019,063.07 and 1,207,666.07

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Solution

The fourth proportional to 2,187,726.47, 3,019,063.07 and 1,207,666.07 is: 1,666,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,726.47 : 3,019,063.07 = 1,207,666.07 : x
  2. Step 2: Convert to fraction form
    2,187,726.47/3,019,063.07 = 1,207,666.07/x
  3. Step 3: Cross multiply
    2,187,726.47x = 3,019,063.07 × 1,207,666.07
  4. Step 4: Simplify right side
    2,187,726.47x = 3,646,020,032,829.03
  5. Step 5: Solve for x
    x = 3,646,020,032,829.03/2,187,726.47
  6. Step 6: Final answer
    x = 1,666,579.48

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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.