Home / 1,571,605.44-2,169,346.51-1,021,074.36

Finding the Fourth Proportional to 1,571,605.44, 2,169,346.51 and 1,021,074.36

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Solution

The fourth proportional to 1,571,605.44, 2,169,346.51 and 1,021,074.36 is: 1,409,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,605.44 : 2,169,346.51 = 1,021,074.36 : x
  2. Step 2: Convert to fraction form
    1,571,605.44/2,169,346.51 = 1,021,074.36/x
  3. Step 3: Cross multiply
    1,571,605.44x = 2,169,346.51 × 1,021,074.36
  4. Step 4: Simplify right side
    1,571,605.44x = 2,215,064,086,714.23
  5. Step 5: Solve for x
    x = 2,215,064,086,714.23/1,571,605.44
  6. Step 6: Final answer
    x = 1,409,427.61

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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.