Home / 2,106,223.02-3,159,662.40-685,948.68

Finding the Fourth Proportional to 2,106,223.02, 3,159,662.40 and 685,948.68

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Solution

The fourth proportional to 2,106,223.02, 3,159,662.40 and 685,948.68 is: 1,029,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,223.02 : 3,159,662.40 = 685,948.68 : x
  2. Step 2: Convert to fraction form
    2,106,223.02/3,159,662.40 = 685,948.68/x
  3. Step 3: Cross multiply
    2,106,223.02x = 3,159,662.40 × 685,948.68
  4. Step 4: Simplify right side
    2,106,223.02x = 2,167,366,252,525.63
  5. Step 5: Solve for x
    x = 2,167,366,252,525.63/2,106,223.02
  6. Step 6: Final answer
    x = 1,029,029.80

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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.