Home / 3,868,073.40-5,802,109.02-1,208,681.40

Finding the Fourth Proportional to 3,868,073.40, 5,802,109.02 and 1,208,681.40

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Solution

The fourth proportional to 3,868,073.40, 5,802,109.02 and 1,208,681.40 is: 1,813,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,073.40 : 5,802,109.02 = 1,208,681.40 : x
  2. Step 2: Convert to fraction form
    3,868,073.40/5,802,109.02 = 1,208,681.40/x
  3. Step 3: Cross multiply
    3,868,073.40x = 5,802,109.02 × 1,208,681.40
  4. Step 4: Simplify right side
    3,868,073.40x = 7,012,901,253,246.23
  5. Step 5: Solve for x
    x = 7,012,901,253,246.23/3,868,073.40
  6. Step 6: Final answer
    x = 1,813,021.76

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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.