Home / 1,938,181.26-2,674,663.32-1,078,741.80

Finding the Fourth Proportional to 1,938,181.26, 2,674,663.32 and 1,078,741.80

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Solution

The fourth proportional to 1,938,181.26, 2,674,663.32 and 1,078,741.80 is: 1,488,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,181.26 : 2,674,663.32 = 1,078,741.80 : x
  2. Step 2: Convert to fraction form
    1,938,181.26/2,674,663.32 = 1,078,741.80/x
  3. Step 3: Cross multiply
    1,938,181.26x = 2,674,663.32 × 1,078,741.80
  4. Step 4: Simplify right side
    1,938,181.26x = 2,885,271,124,210.78
  5. Step 5: Solve for x
    x = 2,885,271,124,210.78/1,938,181.26
  6. Step 6: Final answer
    x = 1,488,648.76

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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.