Home / 5,175,686.00-7,142,475-3,001,518.21

Finding the Fourth Proportional to 5,175,686.00, 7,142,475 and 3,001,518.21

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Solution

The fourth proportional to 5,175,686.00, 7,142,475 and 3,001,518.21 is: 4,142,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,686.00 : 7,142,475 = 3,001,518.21 : x
  2. Step 2: Convert to fraction form
    5,175,686.00/7,142,475 = 3,001,518.21/x
  3. Step 3: Cross multiply
    5,175,686.00x = 7,142,475 × 3,001,518.21
  4. Step 4: Simplify right side
    5,175,686.00x = 21,438,268,776,969.75
  5. Step 5: Solve for x
    x = 21,438,268,776,969.75/5,175,686.00
  6. Step 6: Final answer
    x = 4,142,111.56

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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.