Home / 5,490,003.80-8,235,005.70-1,703,869.40

Finding the Fourth Proportional to 5,490,003.80, 8,235,005.70 and 1,703,869.40

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Solution

The fourth proportional to 5,490,003.80, 8,235,005.70 and 1,703,869.40 is: 2,555,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490,003.80 : 8,235,005.70 = 1,703,869.40 : x
  2. Step 2: Convert to fraction form
    5,490,003.80/8,235,005.70 = 1,703,869.40/x
  3. Step 3: Cross multiply
    5,490,003.80x = 8,235,005.70 × 1,703,869.40
  4. Step 4: Simplify right side
    5,490,003.80x = 14,031,374,221,055.58
  5. Step 5: Solve for x
    x = 14,031,374,221,055.58/5,490,003.80
  6. Step 6: Final answer
    x = 2,555,804.10

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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.