Home / 2,005,643.81-2,767,768.10-1,087,853.24

Finding the Fourth Proportional to 2,005,643.81, 2,767,768.10 and 1,087,853.24

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Solution

The fourth proportional to 2,005,643.81, 2,767,768.10 and 1,087,853.24 is: 1,501,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,643.81 : 2,767,768.10 = 1,087,853.24 : x
  2. Step 2: Convert to fraction form
    2,005,643.81/2,767,768.10 = 1,087,853.24/x
  3. Step 3: Cross multiply
    2,005,643.81x = 2,767,768.10 × 1,087,853.24
  4. Step 4: Simplify right side
    2,005,643.81x = 3,010,925,475,875.54
  5. Step 5: Solve for x
    x = 3,010,925,475,875.54/2,005,643.81
  6. Step 6: Final answer
    x = 1,501,226.42

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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.