Home / 2,346,389.72-3,236,345.10-2,153,419.44

Finding the Fourth Proportional to 2,346,389.72, 3,236,345.10 and 2,153,419.44

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Solution

The fourth proportional to 2,346,389.72, 3,236,345.10 and 2,153,419.44 is: 2,970,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346,389.72 : 3,236,345.10 = 2,153,419.44 : x
  2. Step 2: Convert to fraction form
    2,346,389.72/3,236,345.10 = 2,153,419.44/x
  3. Step 3: Cross multiply
    2,346,389.72x = 3,236,345.10 × 2,153,419.44
  4. Step 4: Simplify right side
    2,346,389.72x = 6,969,208,452,888.74
  5. Step 5: Solve for x
    x = 6,969,208,452,888.74/2,346,389.72
  6. Step 6: Final answer
    x = 2,970,183.69

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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.