Home / 4,752,511.31-7,125,920.06-1,512,649.51

Finding the Fourth Proportional to 4,752,511.31, 7,125,920.06 and 1,512,649.51

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Solution

The fourth proportional to 4,752,511.31, 7,125,920.06 and 1,512,649.51 is: 2,268,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,511.31 : 7,125,920.06 = 1,512,649.51 : x
  2. Step 2: Convert to fraction form
    4,752,511.31/7,125,920.06 = 1,512,649.51/x
  3. Step 3: Cross multiply
    4,752,511.31x = 7,125,920.06 × 1,512,649.51
  4. Step 4: Simplify right side
    4,752,511.31x = 10,779,019,461,680.12
  5. Step 5: Solve for x
    x = 10,779,019,461,680.12/4,752,511.31
  6. Step 6: Final answer
    x = 2,268,068.13

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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.