Home / 1,477,885.80-2,214,204.30-1,383,407.40

Finding the Fourth Proportional to 1,477,885.80, 2,214,204.30 and 1,383,407.40

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Solution

The fourth proportional to 1,477,885.80, 2,214,204.30 and 1,383,407.40 is: 2,072,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,885.80 : 2,214,204.30 = 1,383,407.40 : x
  2. Step 2: Convert to fraction form
    1,477,885.80/2,214,204.30 = 1,383,407.40/x
  3. Step 3: Cross multiply
    1,477,885.80x = 2,214,204.30 × 1,383,407.40
  4. Step 4: Simplify right side
    1,477,885.80x = 3,063,146,613,731.82
  5. Step 5: Solve for x
    x = 3,063,146,613,731.82/1,477,885.80
  6. Step 6: Final answer
    x = 2,072,654.47

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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.