Home / 2,205,205.40-3,308,585.70-2,127,445.40

Finding the Fourth Proportional to 2,205,205.40, 3,308,585.70 and 2,127,445.40

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Solution

The fourth proportional to 2,205,205.40, 3,308,585.70 and 2,127,445.40 is: 3,191,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,205.40 : 3,308,585.70 = 2,127,445.40 : x
  2. Step 2: Convert to fraction form
    2,205,205.40/3,308,585.70 = 2,127,445.40/x
  3. Step 3: Cross multiply
    2,205,205.40x = 3,308,585.70 × 2,127,445.40
  4. Step 4: Simplify right side
    2,205,205.40x = 7,038,835,427,970.78
  5. Step 5: Solve for x
    x = 7,038,835,427,970.78/2,205,205.40
  6. Step 6: Final answer
    x = 3,191,918.28

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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.