Home / 2,219,884.65-3,063,440.70-1,201,289.40

Finding the Fourth Proportional to 2,219,884.65, 3,063,440.70 and 1,201,289.40

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Solution

The fourth proportional to 2,219,884.65, 3,063,440.70 and 1,201,289.40 is: 1,657,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,884.65 : 3,063,440.70 = 1,201,289.40 : x
  2. Step 2: Convert to fraction form
    2,219,884.65/3,063,440.70 = 1,201,289.40/x
  3. Step 3: Cross multiply
    2,219,884.65x = 3,063,440.70 × 1,201,289.40
  4. Step 4: Simplify right side
    2,219,884.65x = 3,680,078,840,438.58
  5. Step 5: Solve for x
    x = 3,680,078,840,438.58/2,219,884.65
  6. Step 6: Final answer
    x = 1,657,779.31

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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.