Home / 3,010,123.95-4,153,973.89-1,720,991.33

Finding the Fourth Proportional to 3,010,123.95, 4,153,973.89 and 1,720,991.33

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Solution

The fourth proportional to 3,010,123.95, 4,153,973.89 and 1,720,991.33 is: 2,374,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,123.95 : 4,153,973.89 = 1,720,991.33 : x
  2. Step 2: Convert to fraction form
    3,010,123.95/4,153,973.89 = 1,720,991.33/x
  3. Step 3: Cross multiply
    3,010,123.95x = 4,153,973.89 × 1,720,991.33
  4. Step 4: Simplify right side
    3,010,123.95x = 7,148,953,057,571.40
  5. Step 5: Solve for x
    x = 7,148,953,057,571.40/3,010,123.95
  6. Step 6: Final answer
    x = 2,374,969.66

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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.