Home / 2,072,315.64-2,859,009.12-1,256,221.56

Finding the Fourth Proportional to 2,072,315.64, 2,859,009.12 and 1,256,221.56

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Solution

The fourth proportional to 2,072,315.64, 2,859,009.12 and 1,256,221.56 is: 1,733,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,315.64 : 2,859,009.12 = 1,256,221.56 : x
  2. Step 2: Convert to fraction form
    2,072,315.64/2,859,009.12 = 1,256,221.56/x
  3. Step 3: Cross multiply
    2,072,315.64x = 2,859,009.12 × 1,256,221.56
  4. Step 4: Simplify right side
    2,072,315.64x = 3,591,548,896,780.63
  5. Step 5: Solve for x
    x = 3,591,548,896,780.63/2,072,315.64
  6. Step 6: Final answer
    x = 1,733,109.00

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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.