Home / 3,788,090.10-5,226,267.69-2,156,089.14

Finding the Fourth Proportional to 3,788,090.10, 5,226,267.69 and 2,156,089.14

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Solution

The fourth proportional to 3,788,090.10, 5,226,267.69 and 2,156,089.14 is: 2,974,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,090.10 : 5,226,267.69 = 2,156,089.14 : x
  2. Step 2: Convert to fraction form
    3,788,090.10/5,226,267.69 = 2,156,089.14/x
  3. Step 3: Cross multiply
    3,788,090.10x = 5,226,267.69 × 2,156,089.14
  4. Step 4: Simplify right side
    3,788,090.10x = 11,268,299,009,141.89
  5. Step 5: Solve for x
    x = 11,268,299,009,141.89/3,788,090.10
  6. Step 6: Final answer
    x = 2,974,664.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.