Home / 2,972,156.10-4,455,281.70-1,371,928.20

Finding the Fourth Proportional to 2,972,156.10, 4,455,281.70 and 1,371,928.20

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Solution

The fourth proportional to 2,972,156.10, 4,455,281.70 and 1,371,928.20 is: 2,056,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,156.10 : 4,455,281.70 = 1,371,928.20 : x
  2. Step 2: Convert to fraction form
    2,972,156.10/4,455,281.70 = 1,371,928.20/x
  3. Step 3: Cross multiply
    2,972,156.10x = 4,455,281.70 × 1,371,928.20
  4. Step 4: Simplify right side
    2,972,156.10x = 6,112,326,603,173.94
  5. Step 5: Solve for x
    x = 6,112,326,603,173.94/2,972,156.10
  6. Step 6: Final answer
    x = 2,056,529.47

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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.