Home / 1,980,923.60-2,971,039.80-718,101.20

Finding the Fourth Proportional to 1,980,923.60, 2,971,039.80 and 718,101.20

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Solution

The fourth proportional to 1,980,923.60, 2,971,039.80 and 718,101.20 is: 1,077,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,923.60 : 2,971,039.80 = 718,101.20 : x
  2. Step 2: Convert to fraction form
    1,980,923.60/2,971,039.80 = 718,101.20/x
  3. Step 3: Cross multiply
    1,980,923.60x = 2,971,039.80 × 718,101.20
  4. Step 4: Simplify right side
    1,980,923.60x = 2,133,507,245,627.76
  5. Step 5: Solve for x
    x = 2,133,507,245,627.76/1,980,923.60
  6. Step 6: Final answer
    x = 1,077,026.52

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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.