Home / 2,154,312.36-3,231,020.79-637,639.56

Finding the Fourth Proportional to 2,154,312.36, 3,231,020.79 and 637,639.56

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Solution

The fourth proportional to 2,154,312.36, 3,231,020.79 and 637,639.56 is: 956,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,312.36 : 3,231,020.79 = 637,639.56 : x
  2. Step 2: Convert to fraction form
    2,154,312.36/3,231,020.79 = 637,639.56/x
  3. Step 3: Cross multiply
    2,154,312.36x = 3,231,020.79 × 637,639.56
  4. Step 4: Simplify right side
    2,154,312.36x = 2,060,226,674,886.45
  5. Step 5: Solve for x
    x = 2,060,226,674,886.45/2,154,312.36
  6. Step 6: Final answer
    x = 956,326.81

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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.