Home / 2,479,437.45-3,421,508.51-1,376,938.86

Finding the Fourth Proportional to 2,479,437.45, 3,421,508.51 and 1,376,938.86

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Solution

The fourth proportional to 2,479,437.45, 3,421,508.51 and 1,376,938.86 is: 1,900,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,437.45 : 3,421,508.51 = 1,376,938.86 : x
  2. Step 2: Convert to fraction form
    2,479,437.45/3,421,508.51 = 1,376,938.86/x
  3. Step 3: Cross multiply
    2,479,437.45x = 3,421,508.51 × 1,376,938.86
  4. Step 4: Simplify right side
    2,479,437.45x = 4,711,208,030,682.05
  5. Step 5: Solve for x
    x = 4,711,208,030,682.05/2,479,437.45
  6. Step 6: Final answer
    x = 1,900,111.67

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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.