Home / 1,638,437.42-2,455,950.95-917,722.46

Finding the Fourth Proportional to 1,638,437.42, 2,455,950.95 and 917,722.46

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Solution

The fourth proportional to 1,638,437.42, 2,455,950.95 and 917,722.46 is: 1,375,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,437.42 : 2,455,950.95 = 917,722.46 : x
  2. Step 2: Convert to fraction form
    1,638,437.42/2,455,950.95 = 917,722.46/x
  3. Step 3: Cross multiply
    1,638,437.42x = 2,455,950.95 × 917,722.46
  4. Step 4: Simplify right side
    1,638,437.42x = 2,253,881,330,604.97
  5. Step 5: Solve for x
    x = 2,253,881,330,604.97/1,638,437.42
  6. Step 6: Final answer
    x = 1,375,628.58

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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.