Home / 3,163,988-4,747,655.40-1,725,709.76

Finding the Fourth Proportional to 3,163,988, 4,747,655.40 and 1,725,709.76

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Solution

The fourth proportional to 3,163,988, 4,747,655.40 and 1,725,709.76 is: 2,589,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,988 : 4,747,655.40 = 1,725,709.76 : x
  2. Step 2: Convert to fraction form
    3,163,988/4,747,655.40 = 1,725,709.76/x
  3. Step 3: Cross multiply
    3,163,988x = 4,747,655.40 × 1,725,709.76
  4. Step 4: Simplify right side
    3,163,988x = 8,193,075,260,896.71
  5. Step 5: Solve for x
    x = 8,193,075,260,896.71/3,163,988
  6. Step 6: Final answer
    x = 2,589,477.35

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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.