Home / 5,153,897.13-7,113,005.40-2,978,458.06

Finding the Fourth Proportional to 5,153,897.13, 7,113,005.40 and 2,978,458.06

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Solution

The fourth proportional to 5,153,897.13, 7,113,005.40 and 2,978,458.06 is: 4,110,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,897.13 : 7,113,005.40 = 2,978,458.06 : x
  2. Step 2: Convert to fraction form
    5,153,897.13/7,113,005.40 = 2,978,458.06/x
  3. Step 3: Cross multiply
    5,153,897.13x = 7,113,005.40 × 2,978,458.06
  4. Step 4: Simplify right side
    5,153,897.13x = 21,185,788,264,453.53
  5. Step 5: Solve for x
    x = 21,185,788,264,453.53/5,153,897.13
  6. Step 6: Final answer
    x = 4,110,634.68

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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.