Home / 1,990,796.50-2,971,661.19-1,708,302.40

Finding the Fourth Proportional to 1,990,796.50, 2,971,661.19 and 1,708,302.40

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Solution

The fourth proportional to 1,990,796.50, 2,971,661.19 and 1,708,302.40 is: 2,549,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,796.50 : 2,971,661.19 = 1,708,302.40 : x
  2. Step 2: Convert to fraction form
    1,990,796.50/2,971,661.19 = 1,708,302.40/x
  3. Step 3: Cross multiply
    1,990,796.50x = 2,971,661.19 × 1,708,302.40
  4. Step 4: Simplify right side
    1,990,796.50x = 5,076,495,955,353.36
  5. Step 5: Solve for x
    x = 5,076,495,955,353.36/1,990,796.50
  6. Step 6: Final answer
    x = 2,549,982.36

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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.