Home / 2,405,479.17-3,319,598.90-1,317,678.94

Finding the Fourth Proportional to 2,405,479.17, 3,319,598.90 and 1,317,678.94

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Solution

The fourth proportional to 2,405,479.17, 3,319,598.90 and 1,317,678.94 is: 1,818,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,479.17 : 3,319,598.90 = 1,317,678.94 : x
  2. Step 2: Convert to fraction form
    2,405,479.17/3,319,598.90 = 1,317,678.94/x
  3. Step 3: Cross multiply
    2,405,479.17x = 3,319,598.90 × 1,317,678.94
  4. Step 4: Simplify right side
    2,405,479.17x = 4,374,165,559,777.17
  5. Step 5: Solve for x
    x = 4,374,165,559,777.17/2,405,479.17
  6. Step 6: Final answer
    x = 1,818,417.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.