Home / 5,250,852.20-7,876,278.30-1,885,399.40

Finding the Fourth Proportional to 5,250,852.20, 7,876,278.30 and 1,885,399.40

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Solution

The fourth proportional to 5,250,852.20, 7,876,278.30 and 1,885,399.40 is: 2,828,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,852.20 : 7,876,278.30 = 1,885,399.40 : x
  2. Step 2: Convert to fraction form
    5,250,852.20/7,876,278.30 = 1,885,399.40/x
  3. Step 3: Cross multiply
    5,250,852.20x = 7,876,278.30 × 1,885,399.40
  4. Step 4: Simplify right side
    5,250,852.20x = 14,849,930,381,053.02
  5. Step 5: Solve for x
    x = 14,849,930,381,053.02/5,250,852.20
  6. Step 6: Final answer
    x = 2,828,099.10

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1.5x scale

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.