Home / 1,938,373.06-2,907,558.90-518,392.22

Finding the Fourth Proportional to 1,938,373.06, 2,907,558.90 and 518,392.22

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Solution

The fourth proportional to 1,938,373.06, 2,907,558.90 and 518,392.22 is: 777,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,373.06 : 2,907,558.90 = 518,392.22 : x
  2. Step 2: Convert to fraction form
    1,938,373.06/2,907,558.90 = 518,392.22/x
  3. Step 3: Cross multiply
    1,938,373.06x = 2,907,558.90 × 518,392.22
  4. Step 4: Simplify right side
    1,938,373.06x = 1,507,255,912,951.76
  5. Step 5: Solve for x
    x = 1,507,255,912,951.76/1,938,373.06
  6. Step 6: Final answer
    x = 777,588.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.