Home / 2,905,103.20-4,357,654.80-1,412,111.20

Finding the Fourth Proportional to 2,905,103.20, 4,357,654.80 and 1,412,111.20

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Solution

The fourth proportional to 2,905,103.20, 4,357,654.80 and 1,412,111.20 is: 2,118,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,103.20 : 4,357,654.80 = 1,412,111.20 : x
  2. Step 2: Convert to fraction form
    2,905,103.20/4,357,654.80 = 1,412,111.20/x
  3. Step 3: Cross multiply
    2,905,103.20x = 4,357,654.80 × 1,412,111.20
  4. Step 4: Simplify right side
    2,905,103.20x = 6,153,493,148,813.76
  5. Step 5: Solve for x
    x = 6,153,493,148,813.76/2,905,103.20
  6. Step 6: Final answer
    x = 2,118,166.80

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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.