Home / 2,127,056.79-2,934,813.56-1,299,919.35

Finding the Fourth Proportional to 2,127,056.79, 2,934,813.56 and 1,299,919.35

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Solution

The fourth proportional to 2,127,056.79, 2,934,813.56 and 1,299,919.35 is: 1,793,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,056.79 : 2,934,813.56 = 1,299,919.35 : x
  2. Step 2: Convert to fraction form
    2,127,056.79/2,934,813.56 = 1,299,919.35/x
  3. Step 3: Cross multiply
    2,127,056.79x = 2,934,813.56 × 1,299,919.35
  4. Step 4: Simplify right side
    2,127,056.79x = 3,815,020,928,786.79
  5. Step 5: Solve for x
    x = 3,815,020,928,786.79/2,127,056.79
  6. Step 6: Final answer
    x = 1,793,567.97

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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.