Home / 3,570,446.40-4,927,200-1,938,840.48

Finding the Fourth Proportional to 3,570,446.40, 4,927,200 and 1,938,840.48

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Solution

The fourth proportional to 3,570,446.40, 4,927,200 and 1,938,840.48 is: 2,675,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570,446.40 : 4,927,200 = 1,938,840.48 : x
  2. Step 2: Convert to fraction form
    3,570,446.40/4,927,200 = 1,938,840.48/x
  3. Step 3: Cross multiply
    3,570,446.40x = 4,927,200 × 1,938,840.48
  4. Step 4: Simplify right side
    3,570,446.40x = 9,553,054,813,056
  5. Step 5: Solve for x
    x = 9,553,054,813,056/3,570,446.40
  6. Step 6: Final answer
    x = 2,675,591.16

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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.