Home / 2,987,782.40-4,486,156.95-1,709,832.95

Finding the Fourth Proportional to 2,987,782.40, 4,486,156.95 and 1,709,832.95

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Solution

The fourth proportional to 2,987,782.40, 4,486,156.95 and 1,709,832.95 is: 2,567,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,782.40 : 4,486,156.95 = 1,709,832.95 : x
  2. Step 2: Convert to fraction form
    2,987,782.40/4,486,156.95 = 1,709,832.95/x
  3. Step 3: Cross multiply
    2,987,782.40x = 4,486,156.95 × 1,709,832.95
  4. Step 4: Simplify right side
    2,987,782.40x = 7,670,578,972,785.68
  5. Step 5: Solve for x
    x = 7,670,578,972,785.68/2,987,782.40
  6. Step 6: Final answer
    x = 2,567,315.13

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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.