Home / 2,109,038.94-3,163,655.61-689,102.46

Finding the Fourth Proportional to 2,109,038.94, 3,163,655.61 and 689,102.46

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Solution

The fourth proportional to 2,109,038.94, 3,163,655.61 and 689,102.46 is: 1,033,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,038.94 : 3,163,655.61 = 689,102.46 : x
  2. Step 2: Convert to fraction form
    2,109,038.94/3,163,655.61 = 689,102.46/x
  3. Step 3: Cross multiply
    2,109,038.94x = 3,163,655.61 × 689,102.46
  4. Step 4: Simplify right side
    2,109,038.94x = 2,180,082,863,443.80
  5. Step 5: Solve for x
    x = 2,180,082,863,443.80/2,109,038.94
  6. Step 6: Final answer
    x = 1,033,685.45

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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.