Home / 1,898,670.42-2,620,181.66-1,114,205.90

Finding the Fourth Proportional to 1,898,670.42, 2,620,181.66 and 1,114,205.90

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Solution

The fourth proportional to 1,898,670.42, 2,620,181.66 and 1,114,205.90 is: 1,537,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,670.42 : 2,620,181.66 = 1,114,205.90 : x
  2. Step 2: Convert to fraction form
    1,898,670.42/2,620,181.66 = 1,114,205.90/x
  3. Step 3: Cross multiply
    1,898,670.42x = 2,620,181.66 × 1,114,205.90
  4. Step 4: Simplify right side
    1,898,670.42x = 2,919,421,845,971.86
  5. Step 5: Solve for x
    x = 2,919,421,845,971.86/1,898,670.42
  6. Step 6: Final answer
    x = 1,537,613.80

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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.