Home / 3,128,004.40-4,692,006.60-1,926,029.20

Finding the Fourth Proportional to 3,128,004.40, 4,692,006.60 and 1,926,029.20

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Solution

The fourth proportional to 3,128,004.40, 4,692,006.60 and 1,926,029.20 is: 2,889,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,004.40 : 4,692,006.60 = 1,926,029.20 : x
  2. Step 2: Convert to fraction form
    3,128,004.40/4,692,006.60 = 1,926,029.20/x
  3. Step 3: Cross multiply
    3,128,004.40x = 4,692,006.60 × 1,926,029.20
  4. Step 4: Simplify right side
    3,128,004.40x = 9,036,941,718,192.72
  5. Step 5: Solve for x
    x = 9,036,941,718,192.72/3,128,004.40
  6. Step 6: Final answer
    x = 2,889,043.80

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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.