Home / 1,899,291.28-2,621,020.72-1,039,851.32

Finding the Fourth Proportional to 1,899,291.28, 2,621,020.72 and 1,039,851.32

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Solution

The fourth proportional to 1,899,291.28, 2,621,020.72 and 1,039,851.32 is: 1,434,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,291.28 : 2,621,020.72 = 1,039,851.32 : x
  2. Step 2: Convert to fraction form
    1,899,291.28/2,621,020.72 = 1,039,851.32/x
  3. Step 3: Cross multiply
    1,899,291.28x = 2,621,020.72 × 1,039,851.32
  4. Step 4: Simplify right side
    1,899,291.28x = 2,725,471,855,439.35
  5. Step 5: Solve for x
    x = 2,725,471,855,439.35/1,899,291.28
  6. Step 6: Final answer
    x = 1,434,994.14

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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.