Home / 4,720,081.51-6,511,354.32-2,979,907.48

Finding the Fourth Proportional to 4,720,081.51, 6,511,354.32 and 2,979,907.48

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Solution

The fourth proportional to 4,720,081.51, 6,511,354.32 and 2,979,907.48 is: 4,110,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,081.51 : 6,511,354.32 = 2,979,907.48 : x
  2. Step 2: Convert to fraction form
    4,720,081.51/6,511,354.32 = 2,979,907.48/x
  3. Step 3: Cross multiply
    4,720,081.51x = 6,511,354.32 × 2,979,907.48
  4. Step 4: Simplify right side
    4,720,081.51x = 19,403,233,443,098.31
  5. Step 5: Solve for x
    x = 19,403,233,443,098.31/4,720,081.51
  6. Step 6: Final answer
    x = 4,110,783.55

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1.5x scale

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.