Home / 5,429,670.30-8,142,431.85-1,641,894.30

Finding the Fourth Proportional to 5,429,670.30, 8,142,431.85 and 1,641,894.30

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Solution

The fourth proportional to 5,429,670.30, 8,142,431.85 and 1,641,894.30 is: 2,462,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,670.30 : 8,142,431.85 = 1,641,894.30 : x
  2. Step 2: Convert to fraction form
    5,429,670.30/8,142,431.85 = 1,641,894.30/x
  3. Step 3: Cross multiply
    5,429,670.30x = 8,142,431.85 × 1,641,894.30
  4. Step 4: Simplify right side
    5,429,670.30x = 13,369,012,442,653.46
  5. Step 5: Solve for x
    x = 13,369,012,442,653.46/5,429,670.30
  6. Step 6: Final answer
    x = 2,462,214.41

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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.