Home / 4,812,934.14-7,219,417.50-1,218,699.42

Finding the Fourth Proportional to 4,812,934.14, 7,219,417.50 and 1,218,699.42

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Solution

The fourth proportional to 4,812,934.14, 7,219,417.50 and 1,218,699.42 is: 1,828,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,934.14 : 7,219,417.50 = 1,218,699.42 : x
  2. Step 2: Convert to fraction form
    4,812,934.14/7,219,417.50 = 1,218,699.42/x
  3. Step 3: Cross multiply
    4,812,934.14x = 7,219,417.50 × 1,218,699.42
  4. Step 4: Simplify right side
    4,812,934.14x = 8,798,299,919,987.85
  5. Step 5: Solve for x
    x = 8,798,299,919,987.85/4,812,934.14
  6. Step 6: Final answer
    x = 1,828,053.25

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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.