Home / 2,421,028.02-3,340,890.72-1,388,482.44

Finding the Fourth Proportional to 2,421,028.02, 3,340,890.72 and 1,388,482.44

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Solution

The fourth proportional to 2,421,028.02, 3,340,890.72 and 1,388,482.44 is: 1,916,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,028.02 : 3,340,890.72 = 1,388,482.44 : x
  2. Step 2: Convert to fraction form
    2,421,028.02/3,340,890.72 = 1,388,482.44/x
  3. Step 3: Cross multiply
    2,421,028.02x = 3,340,890.72 × 1,388,482.44
  4. Step 4: Simplify right side
    2,421,028.02x = 4,638,768,098,678.96
  5. Step 5: Solve for x
    x = 4,638,768,098,678.96/2,421,028.02
  6. Step 6: Final answer
    x = 1,916,032.39

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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.