Home / 3,480,643.69-4,803,215.92-1,931,814.51

Finding the Fourth Proportional to 3,480,643.69, 4,803,215.92 and 1,931,814.51

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Solution

The fourth proportional to 3,480,643.69, 4,803,215.92 and 1,931,814.51 is: 2,665,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,643.69 : 4,803,215.92 = 1,931,814.51 : x
  2. Step 2: Convert to fraction form
    3,480,643.69/4,803,215.92 = 1,931,814.51/x
  3. Step 3: Cross multiply
    3,480,643.69x = 4,803,215.92 × 1,931,814.51
  4. Step 4: Simplify right side
    3,480,643.69x = 9,278,922,218,528.72
  5. Step 5: Solve for x
    x = 9,278,922,218,528.72/3,480,643.69
  6. Step 6: Final answer
    x = 2,665,863.86

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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.