Home / 3,578,385.22-4,938,193.08-1,946,804.29

Finding the Fourth Proportional to 3,578,385.22, 4,938,193.08 and 1,946,804.29

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Solution

The fourth proportional to 3,578,385.22, 4,938,193.08 and 1,946,804.29 is: 2,686,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,385.22 : 4,938,193.08 = 1,946,804.29 : x
  2. Step 2: Convert to fraction form
    3,578,385.22/4,938,193.08 = 1,946,804.29/x
  3. Step 3: Cross multiply
    3,578,385.22x = 4,938,193.08 × 1,946,804.29
  4. Step 4: Simplify right side
    3,578,385.22x = 9,613,695,472,992.32
  5. Step 5: Solve for x
    x = 9,613,695,472,992.32/3,578,385.22
  6. Step 6: Final answer
    x = 2,686,601.60

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Double scale
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1.5x scale

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.