Home / 1,938,175.98-2,907,035.01-518,342.10

Finding the Fourth Proportional to 1,938,175.98, 2,907,035.01 and 518,342.10

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Solution

The fourth proportional to 1,938,175.98, 2,907,035.01 and 518,342.10 is: 777,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,175.98 : 2,907,035.01 = 518,342.10 : x
  2. Step 2: Convert to fraction form
    1,938,175.98/2,907,035.01 = 518,342.10/x
  3. Step 3: Cross multiply
    1,938,175.98x = 2,907,035.01 × 518,342.10
  4. Step 4: Simplify right side
    1,938,175.98x = 1,506,838,631,856.92
  5. Step 5: Solve for x
    x = 1,506,838,631,856.92/1,938,175.98
  6. Step 6: Final answer
    x = 777,451.92

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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.