Home / 2,421,412.81-3,631,623.48-904,815.79

Finding the Fourth Proportional to 2,421,412.81, 3,631,623.48 and 904,815.79

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Solution

The fourth proportional to 2,421,412.81, 3,631,623.48 and 904,815.79 is: 1,357,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,412.81 : 3,631,623.48 = 904,815.79 : x
  2. Step 2: Convert to fraction form
    2,421,412.81/3,631,623.48 = 904,815.79/x
  3. Step 3: Cross multiply
    2,421,412.81x = 3,631,623.48 × 904,815.79
  4. Step 4: Simplify right side
    2,421,412.81x = 3,285,950,268,038.75
  5. Step 5: Solve for x
    x = 3,285,950,268,038.75/2,421,412.81
  6. Step 6: Final answer
    x = 1,357,038.44

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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.