Home / 3,362,084.39-4,639,654.48-1,911,779.93

Finding the Fourth Proportional to 3,362,084.39, 4,639,654.48 and 1,911,779.93

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Solution

The fourth proportional to 3,362,084.39, 4,639,654.48 and 1,911,779.93 is: 2,638,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,084.39 : 4,639,654.48 = 1,911,779.93 : x
  2. Step 2: Convert to fraction form
    3,362,084.39/4,639,654.48 = 1,911,779.93/x
  3. Step 3: Cross multiply
    3,362,084.39x = 4,639,654.48 × 1,911,779.93
  4. Step 4: Simplify right side
    3,362,084.39x = 8,869,998,307,439.69
  5. Step 5: Solve for x
    x = 8,869,998,307,439.69/3,362,084.39
  6. Step 6: Final answer
    x = 2,638,243.80

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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.