Home / 2,767,917.10-4,154,986.05-2,139,616.30

Finding the Fourth Proportional to 2,767,917.10, 4,154,986.05 and 2,139,616.30

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Solution

The fourth proportional to 2,767,917.10, 4,154,986.05 and 2,139,616.30 is: 3,211,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,917.10 : 4,154,986.05 = 2,139,616.30 : x
  2. Step 2: Convert to fraction form
    2,767,917.10/4,154,986.05 = 2,139,616.30/x
  3. Step 3: Cross multiply
    2,767,917.10x = 4,154,986.05 × 2,139,616.30
  4. Step 4: Simplify right side
    2,767,917.10x = 8,890,075,878,852.61
  5. Step 5: Solve for x
    x = 8,890,075,878,852.61/2,767,917.10
  6. Step 6: Final answer
    x = 3,211,828.81

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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.