Home / 2,379,431.40-3,564,816.80-2,124,339.72

Finding the Fourth Proportional to 2,379,431.40, 3,564,816.80 and 2,124,339.72

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Solution

The fourth proportional to 2,379,431.40, 3,564,816.80 and 2,124,339.72 is: 3,182,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,431.40 : 3,564,816.80 = 2,124,339.72 : x
  2. Step 2: Convert to fraction form
    2,379,431.40/3,564,816.80 = 2,124,339.72/x
  3. Step 3: Cross multiply
    2,379,431.40x = 3,564,816.80 × 2,124,339.72
  4. Step 4: Simplify right side
    2,379,431.40x = 7,572,881,912,141.60
  5. Step 5: Solve for x
    x = 7,572,881,912,141.60/2,379,431.40
  6. Step 6: Final answer
    x = 3,182,643.51

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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.