Home / 2,133,931.20-3,199,802.40-637,828.80

Finding the Fourth Proportional to 2,133,931.20, 3,199,802.40 and 637,828.80

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Solution

The fourth proportional to 2,133,931.20, 3,199,802.40 and 637,828.80 is: 956,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,931.20 : 3,199,802.40 = 637,828.80 : x
  2. Step 2: Convert to fraction form
    2,133,931.20/3,199,802.40 = 637,828.80/x
  3. Step 3: Cross multiply
    2,133,931.20x = 3,199,802.40 × 637,828.80
  4. Step 4: Simplify right side
    2,133,931.20x = 2,040,926,125,029.12
  5. Step 5: Solve for x
    x = 2,040,926,125,029.12/2,133,931.20
  6. Step 6: Final answer
    x = 956,416.09

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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.