Home / 3,578,743.76-4,938,518.57-1,947,157.65

Finding the Fourth Proportional to 3,578,743.76, 4,938,518.57 and 1,947,157.65

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Solution

The fourth proportional to 3,578,743.76, 4,938,518.57 and 1,947,157.65 is: 2,686,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,743.76 : 4,938,518.57 = 1,947,157.65 : x
  2. Step 2: Convert to fraction form
    3,578,743.76/4,938,518.57 = 1,947,157.65/x
  3. Step 3: Cross multiply
    3,578,743.76x = 4,938,518.57 × 1,947,157.65
  4. Step 4: Simplify right side
    3,578,743.76x = 9,616,074,203,506.77
  5. Step 5: Solve for x
    x = 9,616,074,203,506.77/3,578,743.76
  6. Step 6: Final answer
    x = 2,686,997.13

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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.