Home / 1,909,785.20-2,864,678.54-470,496.60

Finding the Fourth Proportional to 1,909,785.20, 2,864,678.54 and 470,496.60

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Solution

The fourth proportional to 1,909,785.20, 2,864,678.54 and 470,496.60 is: 705,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,785.20 : 2,864,678.54 = 470,496.60 : x
  2. Step 2: Convert to fraction form
    1,909,785.20/2,864,678.54 = 470,496.60/x
  3. Step 3: Cross multiply
    1,909,785.20x = 2,864,678.54 × 470,496.60
  4. Step 4: Simplify right side
    1,909,785.20x = 1,347,821,510,810.48
  5. Step 5: Solve for x
    x = 1,347,821,510,810.48/1,909,785.20
  6. Step 6: Final answer
    x = 705,745.08

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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.