Home / 1,990,797.63-2,971,662.87-1,708,303.53

Finding the Fourth Proportional to 1,990,797.63, 2,971,662.87 and 1,708,303.53

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Solution

The fourth proportional to 1,990,797.63, 2,971,662.87 and 1,708,303.53 is: 2,549,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,797.63 : 2,971,662.87 = 1,708,303.53 : x
  2. Step 2: Convert to fraction form
    1,990,797.63/2,971,662.87 = 1,708,303.53/x
  3. Step 3: Cross multiply
    1,990,797.63x = 2,971,662.87 × 1,708,303.53
  4. Step 4: Simplify right side
    1,990,797.63x = 5,076,502,188,340.81
  5. Step 5: Solve for x
    x = 5,076,502,188,340.81/1,990,797.63
  6. Step 6: Final answer
    x = 2,549,984.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.