Home / 1,939,765.30-2,676,874.28-1,124,441.16

Finding the Fourth Proportional to 1,939,765.30, 2,676,874.28 and 1,124,441.16

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Solution

The fourth proportional to 1,939,765.30, 2,676,874.28 and 1,124,441.16 is: 1,551,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,765.30 : 2,676,874.28 = 1,124,441.16 : x
  2. Step 2: Convert to fraction form
    1,939,765.30/2,676,874.28 = 1,124,441.16/x
  3. Step 3: Cross multiply
    1,939,765.30x = 2,676,874.28 × 1,124,441.16
  4. Step 4: Simplify right side
    1,939,765.30x = 3,009,987,620,577.36
  5. Step 5: Solve for x
    x = 3,009,987,620,577.36/1,939,765.30
  6. Step 6: Final answer
    x = 1,551,727.74

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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.