Home / 1,660,622.16-2,291,648.40-935,703.36

Finding the Fourth Proportional to 1,660,622.16, 2,291,648.40 and 935,703.36

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Solution

The fourth proportional to 1,660,622.16, 2,291,648.40 and 935,703.36 is: 1,291,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,622.16 : 2,291,648.40 = 935,703.36 : x
  2. Step 2: Convert to fraction form
    1,660,622.16/2,291,648.40 = 935,703.36/x
  3. Step 3: Cross multiply
    1,660,622.16x = 2,291,648.40 × 935,703.36
  4. Step 4: Simplify right side
    1,660,622.16x = 2,144,303,107,818.62
  5. Step 5: Solve for x
    x = 2,144,303,107,818.62/1,660,622.16
  6. Step 6: Final answer
    x = 1,291,264.90

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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.