Home / 2,928,014.40-4,392,021.60-1,130,980.80

Finding the Fourth Proportional to 2,928,014.40, 4,392,021.60 and 1,130,980.80

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Solution

The fourth proportional to 2,928,014.40, 4,392,021.60 and 1,130,980.80 is: 1,696,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,014.40 : 4,392,021.60 = 1,130,980.80 : x
  2. Step 2: Convert to fraction form
    2,928,014.40/4,392,021.60 = 1,130,980.80/x
  3. Step 3: Cross multiply
    2,928,014.40x = 4,392,021.60 × 1,130,980.80
  4. Step 4: Simplify right side
    2,928,014.40x = 4,967,292,102,785.28
  5. Step 5: Solve for x
    x = 4,967,292,102,785.28/2,928,014.40
  6. Step 6: Final answer
    x = 1,696,471.20

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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.