Home / 1,761,738.30-2,642,607.45-1,478,303.10

Finding the Fourth Proportional to 1,761,738.30, 2,642,607.45 and 1,478,303.10

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Solution

The fourth proportional to 1,761,738.30, 2,642,607.45 and 1,478,303.10 is: 2,217,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,738.30 : 2,642,607.45 = 1,478,303.10 : x
  2. Step 2: Convert to fraction form
    1,761,738.30/2,642,607.45 = 1,478,303.10/x
  3. Step 3: Cross multiply
    1,761,738.30x = 2,642,607.45 × 1,478,303.10
  4. Step 4: Simplify right side
    1,761,738.30x = 3,906,574,785,418.10
  5. Step 5: Solve for x
    x = 3,906,574,785,418.10/1,761,738.30
  6. Step 6: Final answer
    x = 2,217,454.65

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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.