Home / 1,938,784.50-2,675,461.84-1,123,004.11

Finding the Fourth Proportional to 1,938,784.50, 2,675,461.84 and 1,123,004.11

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Solution

The fourth proportional to 1,938,784.50, 2,675,461.84 and 1,123,004.11 is: 1,549,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,784.50 : 2,675,461.84 = 1,123,004.11 : x
  2. Step 2: Convert to fraction form
    1,938,784.50/2,675,461.84 = 1,123,004.11/x
  3. Step 3: Cross multiply
    1,938,784.50x = 2,675,461.84 × 1,123,004.11
  4. Step 4: Simplify right side
    1,938,784.50x = 3,004,554,640,961.52
  5. Step 5: Solve for x
    x = 3,004,554,640,961.52/1,938,784.50
  6. Step 6: Final answer
    x = 1,549,710.47

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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.