Home / 3,121,726.17-4,307,999.40-1,745,127.93

Finding the Fourth Proportional to 3,121,726.17, 4,307,999.40 and 1,745,127.93

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Solution

The fourth proportional to 3,121,726.17, 4,307,999.40 and 1,745,127.93 is: 2,408,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,726.17 : 4,307,999.40 = 1,745,127.93 : x
  2. Step 2: Convert to fraction form
    3,121,726.17/4,307,999.40 = 1,745,127.93/x
  3. Step 3: Cross multiply
    3,121,726.17x = 4,307,999.40 × 1,745,127.93
  4. Step 4: Simplify right side
    3,121,726.17x = 7,518,010,075,363.24
  5. Step 5: Solve for x
    x = 7,518,010,075,363.24/3,121,726.17
  6. Step 6: Final answer
    x = 2,408,286.21

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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.