Home / 1,931,211.31-2,664,895.53-1,146,141.85

Finding the Fourth Proportional to 1,931,211.31, 2,664,895.53 and 1,146,141.85

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Solution

The fourth proportional to 1,931,211.31, 2,664,895.53 and 1,146,141.85 is: 1,581,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,211.31 : 2,664,895.53 = 1,146,141.85 : x
  2. Step 2: Convert to fraction form
    1,931,211.31/2,664,895.53 = 1,146,141.85/x
  3. Step 3: Cross multiply
    1,931,211.31x = 2,664,895.53 × 1,146,141.85
  4. Step 4: Simplify right side
    1,931,211.31x = 3,054,348,292,810.93
  5. Step 5: Solve for x
    x = 3,054,348,292,810.93/1,931,211.31
  6. Step 6: Final answer
    x = 1,581,571.25

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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.