Home / 3,174,675.60-4,381,087.74-1,868,216.40

Finding the Fourth Proportional to 3,174,675.60, 4,381,087.74 and 1,868,216.40

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Solution

The fourth proportional to 3,174,675.60, 4,381,087.74 and 1,868,216.40 is: 2,578,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,675.60 : 4,381,087.74 = 1,868,216.40 : x
  2. Step 2: Convert to fraction form
    3,174,675.60/4,381,087.74 = 1,868,216.40/x
  3. Step 3: Cross multiply
    3,174,675.60x = 4,381,087.74 × 1,868,216.40
  4. Step 4: Simplify right side
    3,174,675.60x = 8,184,819,965,706.94
  5. Step 5: Solve for x
    x = 8,184,819,965,706.94/3,174,675.60
  6. Step 6: Final answer
    x = 2,578,159.47

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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.