Home / 3,119,873.63-4,679,218.60-1,520,828.51

Finding the Fourth Proportional to 3,119,873.63, 4,679,218.60 and 1,520,828.51

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Solution

The fourth proportional to 3,119,873.63, 4,679,218.60 and 1,520,828.51 is: 2,280,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,873.63 : 4,679,218.60 = 1,520,828.51 : x
  2. Step 2: Convert to fraction form
    3,119,873.63/4,679,218.60 = 1,520,828.51/x
  3. Step 3: Cross multiply
    3,119,873.63x = 4,679,218.60 × 1,520,828.51
  4. Step 4: Simplify right side
    3,119,873.63x = 7,116,289,024,204.12
  5. Step 5: Solve for x
    x = 7,116,289,024,204.12/3,119,873.63
  6. Step 6: Final answer
    x = 2,280,954.26

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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.