Home / 5,301,215.78-7,315,482.02-3,239,680.32

Finding the Fourth Proportional to 5,301,215.78, 7,315,482.02 and 3,239,680.32

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Solution

The fourth proportional to 5,301,215.78, 7,315,482.02 and 3,239,680.32 is: 4,470,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301,215.78 : 7,315,482.02 = 3,239,680.32 : x
  2. Step 2: Convert to fraction form
    5,301,215.78/7,315,482.02 = 3,239,680.32/x
  3. Step 3: Cross multiply
    5,301,215.78x = 7,315,482.02 × 3,239,680.32
  4. Step 4: Simplify right side
    5,301,215.78x = 23,699,823,115,309.44
  5. Step 5: Solve for x
    x = 23,699,823,115,309.44/5,301,215.78
  6. Step 6: Final answer
    x = 4,470,639.21

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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.