Home / 3,036,900.48-4,190,758.20-1,678,686

Finding the Fourth Proportional to 3,036,900.48, 4,190,758.20 and 1,678,686

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Solution

The fourth proportional to 3,036,900.48, 4,190,758.20 and 1,678,686 is: 2,316,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036,900.48 : 4,190,758.20 = 1,678,686 : x
  2. Step 2: Convert to fraction form
    3,036,900.48/4,190,758.20 = 1,678,686/x
  3. Step 3: Cross multiply
    3,036,900.48x = 4,190,758.20 × 1,678,686
  4. Step 4: Simplify right side
    3,036,900.48x = 7,034,967,119,725.20
  5. Step 5: Solve for x
    x = 7,034,967,119,725.20/3,036,900.48
  6. Step 6: Final answer
    x = 2,316,495.77

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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.