Home / 1,908,158.40-2,635,595.40-1,426,864.80

Finding the Fourth Proportional to 1,908,158.40, 2,635,595.40 and 1,426,864.80

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Solution

The fourth proportional to 1,908,158.40, 2,635,595.40 and 1,426,864.80 is: 1,970,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,158.40 : 2,635,595.40 = 1,426,864.80 : x
  2. Step 2: Convert to fraction form
    1,908,158.40/2,635,595.40 = 1,426,864.80/x
  3. Step 3: Cross multiply
    1,908,158.40x = 2,635,595.40 × 1,426,864.80
  4. Step 4: Simplify right side
    1,908,158.40x = 3,760,638,303,301.92
  5. Step 5: Solve for x
    x = 3,760,638,303,301.92/1,908,158.40
  6. Step 6: Final answer
    x = 1,970,820.82

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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.