Home / 3,012,547.07-4,157,301.71-1,635,879.78

Finding the Fourth Proportional to 3,012,547.07, 4,157,301.71 and 1,635,879.78

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Solution

The fourth proportional to 3,012,547.07, 4,157,301.71 and 1,635,879.78 is: 2,257,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,547.07 : 4,157,301.71 = 1,635,879.78 : x
  2. Step 2: Convert to fraction form
    3,012,547.07/4,157,301.71 = 1,635,879.78/x
  3. Step 3: Cross multiply
    3,012,547.07x = 4,157,301.71 × 1,635,879.78
  4. Step 4: Simplify right side
    3,012,547.07x = 6,800,845,810,838.12
  5. Step 5: Solve for x
    x = 6,800,845,810,838.12/3,012,547.07
  6. Step 6: Final answer
    x = 2,257,506.90

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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.