Home / 2,172,885.80-3,259,328.70-2,130,895.40

Finding the Fourth Proportional to 2,172,885.80, 3,259,328.70 and 2,130,895.40

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Solution

The fourth proportional to 2,172,885.80, 3,259,328.70 and 2,130,895.40 is: 3,196,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,885.80 : 3,259,328.70 = 2,130,895.40 : x
  2. Step 2: Convert to fraction form
    2,172,885.80/3,259,328.70 = 2,130,895.40/x
  3. Step 3: Cross multiply
    2,172,885.80x = 3,259,328.70 × 2,130,895.40
  4. Step 4: Simplify right side
    2,172,885.80x = 6,945,288,533,917.98
  5. Step 5: Solve for x
    x = 6,945,288,533,917.98/2,172,885.80
  6. Step 6: Final answer
    x = 3,196,343.10

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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.