Home / 1,915,038.32-2,642,871.12-1,055,596.64

Finding the Fourth Proportional to 1,915,038.32, 2,642,871.12 and 1,055,596.64

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Solution

The fourth proportional to 1,915,038.32, 2,642,871.12 and 1,055,596.64 is: 1,456,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,038.32 : 2,642,871.12 = 1,055,596.64 : x
  2. Step 2: Convert to fraction form
    1,915,038.32/2,642,871.12 = 1,055,596.64/x
  3. Step 3: Cross multiply
    1,915,038.32x = 2,642,871.12 × 1,055,596.64
  4. Step 4: Simplify right side
    1,915,038.32x = 2,789,805,874,225.04
  5. Step 5: Solve for x
    x = 2,789,805,874,225.04/1,915,038.32
  6. Step 6: Final answer
    x = 1,456,788.54

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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.