Home / 2,171,619.51-3,257,454.34-655,315.57

Finding the Fourth Proportional to 2,171,619.51, 3,257,454.34 and 655,315.57

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Solution

The fourth proportional to 2,171,619.51, 3,257,454.34 and 655,315.57 is: 982,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,619.51 : 3,257,454.34 = 655,315.57 : x
  2. Step 2: Convert to fraction form
    2,171,619.51/3,257,454.34 = 655,315.57/x
  3. Step 3: Cross multiply
    2,171,619.51x = 3,257,454.34 × 655,315.57
  4. Step 4: Simplify right side
    2,171,619.51x = 2,134,660,563,461.70
  5. Step 5: Solve for x
    x = 2,134,660,563,461.70/2,171,619.51
  6. Step 6: Final answer
    x = 982,980.93

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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.