Home / 4,290,921.93-6,436,283.27-2,160,434.01

Finding the Fourth Proportional to 4,290,921.93, 6,436,283.27 and 2,160,434.01

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Solution

The fourth proportional to 4,290,921.93, 6,436,283.27 and 2,160,434.01 is: 3,240,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,921.93 : 6,436,283.27 = 2,160,434.01 : x
  2. Step 2: Convert to fraction form
    4,290,921.93/6,436,283.27 = 2,160,434.01/x
  3. Step 3: Cross multiply
    4,290,921.93x = 6,436,283.27 × 2,160,434.01
  4. Step 4: Simplify right side
    4,290,921.93x = 13,905,165,263,699.84
  5. Step 5: Solve for x
    x = 13,905,165,263,699.84/4,290,921.93
  6. Step 6: Final answer
    x = 3,240,600.85

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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.