Home / 2,938,124.08-4,054,619.12-1,631,378.66

Finding the Fourth Proportional to 2,938,124.08, 4,054,619.12 and 1,631,378.66

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Solution

The fourth proportional to 2,938,124.08, 4,054,619.12 and 1,631,378.66 is: 2,251,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,124.08 : 4,054,619.12 = 1,631,378.66 : x
  2. Step 2: Convert to fraction form
    2,938,124.08/4,054,619.12 = 1,631,378.66/x
  3. Step 3: Cross multiply
    2,938,124.08x = 4,054,619.12 × 1,631,378.66
  4. Step 4: Simplify right side
    2,938,124.08x = 6,614,619,106,795.98
  5. Step 5: Solve for x
    x = 6,614,619,106,795.98/2,938,124.08
  6. Step 6: Final answer
    x = 2,251,306.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.