Home / 1,919,515.72-2,881,018.50-1,021,708.48

Finding the Fourth Proportional to 1,919,515.72, 2,881,018.50 and 1,021,708.48

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Solution

The fourth proportional to 1,919,515.72, 2,881,018.50 and 1,021,708.48 is: 1,533,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,515.72 : 2,881,018.50 = 1,021,708.48 : x
  2. Step 2: Convert to fraction form
    1,919,515.72/2,881,018.50 = 1,021,708.48/x
  3. Step 3: Cross multiply
    1,919,515.72x = 2,881,018.50 × 1,021,708.48
  4. Step 4: Simplify right side
    1,919,515.72x = 2,943,561,032,486.88
  5. Step 5: Solve for x
    x = 2,943,561,032,486.88/1,919,515.72
  6. Step 6: Final answer
    x = 1,533,491.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.