Home / 3,140,720.42-4,333,090.38-2,053,628.33

Finding the Fourth Proportional to 3,140,720.42, 4,333,090.38 and 2,053,628.33

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Solution

The fourth proportional to 3,140,720.42, 4,333,090.38 and 2,053,628.33 is: 2,833,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,720.42 : 4,333,090.38 = 2,053,628.33 : x
  2. Step 2: Convert to fraction form
    3,140,720.42/4,333,090.38 = 2,053,628.33/x
  3. Step 3: Cross multiply
    3,140,720.42x = 4,333,090.38 × 2,053,628.33
  4. Step 4: Simplify right side
    3,140,720.42x = 8,898,557,139,153.01
  5. Step 5: Solve for x
    x = 8,898,557,139,153.01/3,140,720.42
  6. Step 6: Final answer
    x = 2,833,285.35

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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.