Home / 4,317,780.20-6,471,486.30-1,792,135.40

Finding the Fourth Proportional to 4,317,780.20, 6,471,486.30 and 1,792,135.40

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Solution

The fourth proportional to 4,317,780.20, 6,471,486.30 and 1,792,135.40 is: 2,686,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317,780.20 : 6,471,486.30 = 1,792,135.40 : x
  2. Step 2: Convert to fraction form
    4,317,780.20/6,471,486.30 = 1,792,135.40/x
  3. Step 3: Cross multiply
    4,317,780.20x = 6,471,486.30 × 1,792,135.40
  4. Step 4: Simplify right side
    4,317,780.20x = 11,597,779,688,845.02
  5. Step 5: Solve for x
    x = 11,597,779,688,845.02/4,317,780.20
  6. Step 6: Final answer
    x = 2,686,051.43

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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.