Home / 1,607,015.40-2,217,714.70-881,820.78

Finding the Fourth Proportional to 1,607,015.40, 2,217,714.70 and 881,820.78

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Solution

The fourth proportional to 1,607,015.40, 2,217,714.70 and 881,820.78 is: 1,216,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,015.40 : 2,217,714.70 = 881,820.78 : x
  2. Step 2: Convert to fraction form
    1,607,015.40/2,217,714.70 = 881,820.78/x
  3. Step 3: Cross multiply
    1,607,015.40x = 2,217,714.70 × 881,820.78
  4. Step 4: Simplify right side
    1,607,015.40x = 1,955,626,906,571.47
  5. Step 5: Solve for x
    x = 1,955,626,906,571.47/1,607,015.40
  6. Step 6: Final answer
    x = 1,216,931.03

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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.