Home / 2,864,928-3,953,675.43-1,575,802.20

Finding the Fourth Proportional to 2,864,928, 3,953,675.43 and 1,575,802.20

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Solution

The fourth proportional to 2,864,928, 3,953,675.43 and 1,575,802.20 is: 2,174,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,928 : 3,953,675.43 = 1,575,802.20 : x
  2. Step 2: Convert to fraction form
    2,864,928/3,953,675.43 = 1,575,802.20/x
  3. Step 3: Cross multiply
    2,864,928x = 3,953,675.43 × 1,575,802.20
  4. Step 4: Simplify right side
    2,864,928x = 6,230,210,440,679.95
  5. Step 5: Solve for x
    x = 6,230,210,440,679.95/2,864,928
  6. Step 6: Final answer
    x = 2,174,648.17

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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.