Home / 4,721,394.60-7,082,482.11-1,989,732.36

Finding the Fourth Proportional to 4,721,394.60, 7,082,482.11 and 1,989,732.36

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Solution

The fourth proportional to 4,721,394.60, 7,082,482.11 and 1,989,732.36 is: 2,984,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,394.60 : 7,082,482.11 = 1,989,732.36 : x
  2. Step 2: Convert to fraction form
    4,721,394.60/7,082,482.11 = 1,989,732.36/x
  3. Step 3: Cross multiply
    4,721,394.60x = 7,082,482.11 × 1,989,732.36
  4. Step 4: Simplify right side
    4,721,394.60x = 14,092,243,843,388.08
  5. Step 5: Solve for x
    x = 14,092,243,843,388.08/4,721,394.60
  6. Step 6: Final answer
    x = 2,984,762.99

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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.