Home / 2,911,712.40-4,371,505.20-1,848,830.40

Finding the Fourth Proportional to 2,911,712.40, 4,371,505.20 and 1,848,830.40

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Solution

The fourth proportional to 2,911,712.40, 4,371,505.20 and 1,848,830.40 is: 2,775,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,712.40 : 4,371,505.20 = 1,848,830.40 : x
  2. Step 2: Convert to fraction form
    2,911,712.40/4,371,505.20 = 1,848,830.40/x
  3. Step 3: Cross multiply
    2,911,712.40x = 4,371,505.20 × 1,848,830.40
  4. Step 4: Simplify right side
    2,911,712.40x = 8,082,171,707,518.08
  5. Step 5: Solve for x
    x = 8,082,171,707,518.08/2,911,712.40
  6. Step 6: Final answer
    x = 2,775,745.20

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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.