Home / 2,782,444.32-3,839,663.52-1,575,220.32

Finding the Fourth Proportional to 2,782,444.32, 3,839,663.52 and 1,575,220.32

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Solution

The fourth proportional to 2,782,444.32, 3,839,663.52 and 1,575,220.32 is: 2,173,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,444.32 : 3,839,663.52 = 1,575,220.32 : x
  2. Step 2: Convert to fraction form
    2,782,444.32/3,839,663.52 = 1,575,220.32/x
  3. Step 3: Cross multiply
    2,782,444.32x = 3,839,663.52 × 1,575,220.32
  4. Step 4: Simplify right side
    2,782,444.32x = 6,048,315,998,666.73
  5. Step 5: Solve for x
    x = 6,048,315,998,666.73/2,782,444.32
  6. Step 6: Final answer
    x = 2,173,741.97

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Double scale
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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.