Home / 3,010,125.96-4,155,919.38-1,865,421

Finding the Fourth Proportional to 3,010,125.96, 4,155,919.38 and 1,865,421

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Solution

The fourth proportional to 3,010,125.96, 4,155,919.38 and 1,865,421 is: 2,575,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,125.96 : 4,155,919.38 = 1,865,421 : x
  2. Step 2: Convert to fraction form
    3,010,125.96/4,155,919.38 = 1,865,421/x
  3. Step 3: Cross multiply
    3,010,125.96x = 4,155,919.38 × 1,865,421
  4. Step 4: Simplify right side
    3,010,125.96x = 7,752,539,285,758.98
  5. Step 5: Solve for x
    x = 7,752,539,285,758.98/3,010,125.96
  6. Step 6: Final answer
    x = 2,575,486.67

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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.