Home / 1,779,803.77-2,455,451.46-1,315,771.78

Finding the Fourth Proportional to 1,779,803.77, 2,455,451.46 and 1,315,771.78

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Solution

The fourth proportional to 1,779,803.77, 2,455,451.46 and 1,315,771.78 is: 1,815,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,803.77 : 2,455,451.46 = 1,315,771.78 : x
  2. Step 2: Convert to fraction form
    1,779,803.77/2,455,451.46 = 1,315,771.78/x
  3. Step 3: Cross multiply
    1,779,803.77x = 2,455,451.46 × 1,315,771.78
  4. Step 4: Simplify right side
    1,779,803.77x = 3,230,813,738,227.80
  5. Step 5: Solve for x
    x = 3,230,813,738,227.80/1,779,803.77
  6. Step 6: Final answer
    x = 1,815,264.02

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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.