Home / 1,884,493.80-2,826,740.70-1,128,666.60

Finding the Fourth Proportional to 1,884,493.80, 2,826,740.70 and 1,128,666.60

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Solution

The fourth proportional to 1,884,493.80, 2,826,740.70 and 1,128,666.60 is: 1,692,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884,493.80 : 2,826,740.70 = 1,128,666.60 : x
  2. Step 2: Convert to fraction form
    1,884,493.80/2,826,740.70 = 1,128,666.60/x
  3. Step 3: Cross multiply
    1,884,493.80x = 2,826,740.70 × 1,128,666.60
  4. Step 4: Simplify right side
    1,884,493.80x = 3,190,447,814,950.62
  5. Step 5: Solve for x
    x = 3,190,447,814,950.62/1,884,493.80
  6. Step 6: Final answer
    x = 1,692,999.90

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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.