Home / 1,459,677.80-2,189,516.70-1,377,009.20

Finding the Fourth Proportional to 1,459,677.80, 2,189,516.70 and 1,377,009.20

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Solution

The fourth proportional to 1,459,677.80, 2,189,516.70 and 1,377,009.20 is: 2,065,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,677.80 : 2,189,516.70 = 1,377,009.20 : x
  2. Step 2: Convert to fraction form
    1,459,677.80/2,189,516.70 = 1,377,009.20/x
  3. Step 3: Cross multiply
    1,459,677.80x = 2,189,516.70 × 1,377,009.20
  4. Step 4: Simplify right side
    1,459,677.80x = 3,014,984,639,453.64
  5. Step 5: Solve for x
    x = 3,014,984,639,453.64/1,459,677.80
  6. Step 6: Final answer
    x = 2,065,513.80

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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.