Home / 3,118,267.82-4,676,589.80-1,320,225.77

Finding the Fourth Proportional to 3,118,267.82, 4,676,589.80 and 1,320,225.77

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Solution

The fourth proportional to 3,118,267.82, 4,676,589.80 and 1,320,225.77 is: 1,979,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,267.82 : 4,676,589.80 = 1,320,225.77 : x
  2. Step 2: Convert to fraction form
    3,118,267.82/4,676,589.80 = 1,320,225.77/x
  3. Step 3: Cross multiply
    3,118,267.82x = 4,676,589.80 × 1,320,225.77
  4. Step 4: Simplify right side
    3,118,267.82x = 6,174,154,357,127.66
  5. Step 5: Solve for x
    x = 6,174,154,357,127.66/3,118,267.82
  6. Step 6: Final answer
    x = 1,979,994.89

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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.