Home / 1,971,228.60-2,956,842.90-475,320.60

Finding the Fourth Proportional to 1,971,228.60, 2,956,842.90 and 475,320.60

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Solution

The fourth proportional to 1,971,228.60, 2,956,842.90 and 475,320.60 is: 712,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,228.60 : 2,956,842.90 = 475,320.60 : x
  2. Step 2: Convert to fraction form
    1,971,228.60/2,956,842.90 = 475,320.60/x
  3. Step 3: Cross multiply
    1,971,228.60x = 2,956,842.90 × 475,320.60
  4. Step 4: Simplify right side
    1,971,228.60x = 1,405,448,341,333.74
  5. Step 5: Solve for x
    x = 1,405,448,341,333.74/1,971,228.60
  6. Step 6: Final answer
    x = 712,980.90

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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.