Home / 1,791,499.35-2,688,109.44-1,117,407.63

Finding the Fourth Proportional to 1,791,499.35, 2,688,109.44 and 1,117,407.63

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Solution

The fourth proportional to 1,791,499.35, 2,688,109.44 and 1,117,407.63 is: 1,676,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,499.35 : 2,688,109.44 = 1,117,407.63 : x
  2. Step 2: Convert to fraction form
    1,791,499.35/2,688,109.44 = 1,117,407.63/x
  3. Step 3: Cross multiply
    1,791,499.35x = 2,688,109.44 × 1,117,407.63
  4. Step 4: Simplify right side
    1,791,499.35x = 3,003,713,998,531.03
  5. Step 5: Solve for x
    x = 3,003,713,998,531.03/1,791,499.35
  6. Step 6: Final answer
    x = 1,676,648.11

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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.