Home / 2,103,499.29-2,903,059.68-1,220,642.93

Finding the Fourth Proportional to 2,103,499.29, 2,903,059.68 and 1,220,642.93

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Solution

The fourth proportional to 2,103,499.29, 2,903,059.68 and 1,220,642.93 is: 1,684,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,499.29 : 2,903,059.68 = 1,220,642.93 : x
  2. Step 2: Convert to fraction form
    2,103,499.29/2,903,059.68 = 1,220,642.93/x
  3. Step 3: Cross multiply
    2,103,499.29x = 2,903,059.68 × 1,220,642.93
  4. Step 4: Simplify right side
    2,103,499.29x = 3,543,599,266,502.41
  5. Step 5: Solve for x
    x = 3,543,599,266,502.41/2,103,499.29
  6. Step 6: Final answer
    x = 1,684,621.09

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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.