Home / 1,840,143.83-2,539,220.42-1,356,969.11

Finding the Fourth Proportional to 1,840,143.83, 2,539,220.42 and 1,356,969.11

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Solution

The fourth proportional to 1,840,143.83, 2,539,220.42 and 1,356,969.11 is: 1,872,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,143.83 : 2,539,220.42 = 1,356,969.11 : x
  2. Step 2: Convert to fraction form
    1,840,143.83/2,539,220.42 = 1,356,969.11/x
  3. Step 3: Cross multiply
    1,840,143.83x = 2,539,220.42 × 1,356,969.11
  4. Step 4: Simplify right side
    1,840,143.83x = 3,445,643,666,636.38
  5. Step 5: Solve for x
    x = 3,445,643,666,636.38/1,840,143.83
  6. Step 6: Final answer
    x = 1,872,486.06

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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.