Home / 2,121,619.28-2,927,613.96-1,203,555.92

Finding the Fourth Proportional to 2,121,619.28, 2,927,613.96 and 1,203,555.92

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Solution

The fourth proportional to 2,121,619.28, 2,927,613.96 and 1,203,555.92 is: 1,660,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,619.28 : 2,927,613.96 = 1,203,555.92 : x
  2. Step 2: Convert to fraction form
    2,121,619.28/2,927,613.96 = 1,203,555.92/x
  3. Step 3: Cross multiply
    2,121,619.28x = 2,927,613.96 × 1,203,555.92
  4. Step 4: Simplify right side
    2,121,619.28x = 3,523,547,113,032.64
  5. Step 5: Solve for x
    x = 3,523,547,113,032.64/2,121,619.28
  6. Step 6: Final answer
    x = 1,660,782.00

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1.5x scale

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.