Home / 2,109,220.48-2,910,707.58-1,142,328.52

Finding the Fourth Proportional to 2,109,220.48, 2,910,707.58 and 1,142,328.52

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Solution

The fourth proportional to 2,109,220.48, 2,910,707.58 and 1,142,328.52 is: 1,576,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,220.48 : 2,910,707.58 = 1,142,328.52 : x
  2. Step 2: Convert to fraction form
    2,109,220.48/2,910,707.58 = 1,142,328.52/x
  3. Step 3: Cross multiply
    2,109,220.48x = 2,910,707.58 × 1,142,328.52
  4. Step 4: Simplify right side
    2,109,220.48x = 3,324,984,282,014.18
  5. Step 5: Solve for x
    x = 3,324,984,282,014.18/2,109,220.48
  6. Step 6: Final answer
    x = 1,576,404.32

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1.5x scale

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.