Home / 2,912,455.10-4,019,206.70-1,623,377.23

Finding the Fourth Proportional to 2,912,455.10, 4,019,206.70 and 1,623,377.23

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Solution

The fourth proportional to 2,912,455.10, 4,019,206.70 and 1,623,377.23 is: 2,240,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,455.10 : 4,019,206.70 = 1,623,377.23 : x
  2. Step 2: Convert to fraction form
    2,912,455.10/4,019,206.70 = 1,623,377.23/x
  3. Step 3: Cross multiply
    2,912,455.10x = 4,019,206.70 × 1,623,377.23
  4. Step 4: Simplify right side
    2,912,455.10x = 6,524,688,639,443.44
  5. Step 5: Solve for x
    x = 6,524,688,639,443.44/2,912,455.10
  6. Step 6: Final answer
    x = 2,240,270.98

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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.