Home / 2,877,225-3,970,570.50-1,605,417

Finding the Fourth Proportional to 2,877,225, 3,970,570.50 and 1,605,417

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Solution

The fourth proportional to 2,877,225, 3,970,570.50 and 1,605,417 is: 2,215,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,225 : 3,970,570.50 = 1,605,417 : x
  2. Step 2: Convert to fraction form
    2,877,225/3,970,570.50 = 1,605,417/x
  3. Step 3: Cross multiply
    2,877,225x = 3,970,570.50 × 1,605,417
  4. Step 4: Simplify right side
    2,877,225x = 6,374,421,380,398.50
  5. Step 5: Solve for x
    x = 6,374,421,380,398.50/2,877,225
  6. Step 6: Final answer
    x = 2,215,475.46

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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.