Home / 2,170,681.66-3,256,037.07-654,368.95

Finding the Fourth Proportional to 2,170,681.66, 3,256,037.07 and 654,368.95

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Solution

The fourth proportional to 2,170,681.66, 3,256,037.07 and 654,368.95 is: 981,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,681.66 : 3,256,037.07 = 654,368.95 : x
  2. Step 2: Convert to fraction form
    2,170,681.66/3,256,037.07 = 654,368.95/x
  3. Step 3: Cross multiply
    2,170,681.66x = 3,256,037.07 × 654,368.95
  4. Step 4: Simplify right side
    2,170,681.66x = 2,130,649,558,656.98
  5. Step 5: Solve for x
    x = 2,130,649,558,656.98/2,170,681.66
  6. Step 6: Final answer
    x = 981,557.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.