Home / 1,870,121.16-2,581,196.49-1,145,368.26

Finding the Fourth Proportional to 1,870,121.16, 2,581,196.49 and 1,145,368.26

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Solution

The fourth proportional to 1,870,121.16, 2,581,196.49 and 1,145,368.26 is: 1,580,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,121.16 : 2,581,196.49 = 1,145,368.26 : x
  2. Step 2: Convert to fraction form
    1,870,121.16/2,581,196.49 = 1,145,368.26/x
  3. Step 3: Cross multiply
    1,870,121.16x = 2,581,196.49 × 1,145,368.26
  4. Step 4: Simplify right side
    1,870,121.16x = 2,956,420,532,469.41
  5. Step 5: Solve for x
    x = 2,956,420,532,469.41/1,870,121.16
  6. Step 6: Final answer
    x = 1,580,871.12

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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.