Home / 2,775,145.51-4,163,166.90-855,607.41

Finding the Fourth Proportional to 2,775,145.51, 4,163,166.90 and 855,607.41

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Solution

The fourth proportional to 2,775,145.51, 4,163,166.90 and 855,607.41 is: 1,283,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,145.51 : 4,163,166.90 = 855,607.41 : x
  2. Step 2: Convert to fraction form
    2,775,145.51/4,163,166.90 = 855,607.41/x
  3. Step 3: Cross multiply
    2,775,145.51x = 4,163,166.90 × 855,607.41
  4. Step 4: Simplify right side
    2,775,145.51x = 3,562,036,423,612.86
  5. Step 5: Solve for x
    x = 3,562,036,423,612.86/2,775,145.51
  6. Step 6: Final answer
    x = 1,283,549.43

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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.