Home / 1,990,214.40-2,984,738.40-710,673.60

Finding the Fourth Proportional to 1,990,214.40, 2,984,738.40 and 710,673.60

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Solution

The fourth proportional to 1,990,214.40, 2,984,738.40 and 710,673.60 is: 1,065,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,214.40 : 2,984,738.40 = 710,673.60 : x
  2. Step 2: Convert to fraction form
    1,990,214.40/2,984,738.40 = 710,673.60/x
  3. Step 3: Cross multiply
    1,990,214.40x = 2,984,738.40 × 710,673.60
  4. Step 4: Simplify right side
    1,990,214.40x = 2,121,174,783,786.24
  5. Step 5: Solve for x
    x = 2,121,174,783,786.24/1,990,214.40
  6. Step 6: Final answer
    x = 1,065,802.15

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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.