Home / 1,938,879.36-2,674,960.94-1,122,637.50

Finding the Fourth Proportional to 1,938,879.36, 2,674,960.94 and 1,122,637.50

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Solution

The fourth proportional to 1,938,879.36, 2,674,960.94 and 1,122,637.50 is: 1,548,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,879.36 : 2,674,960.94 = 1,122,637.50 : x
  2. Step 2: Convert to fraction form
    1,938,879.36/2,674,960.94 = 1,122,637.50/x
  3. Step 3: Cross multiply
    1,938,879.36x = 2,674,960.94 × 1,122,637.50
  4. Step 4: Simplify right side
    1,938,879.36x = 3,003,011,465,085.84
  5. Step 5: Solve for x
    x = 3,003,011,465,085.84/1,938,879.36
  6. Step 6: Final answer
    x = 1,548,838.74

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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.