Home / 3,132,196.40-4,698,294.60-2,121,802.40

Finding the Fourth Proportional to 3,132,196.40, 4,698,294.60 and 2,121,802.40

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Solution

The fourth proportional to 3,132,196.40, 4,698,294.60 and 2,121,802.40 is: 3,182,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,196.40 : 4,698,294.60 = 2,121,802.40 : x
  2. Step 2: Convert to fraction form
    3,132,196.40/4,698,294.60 = 2,121,802.40/x
  3. Step 3: Cross multiply
    3,132,196.40x = 4,698,294.60 × 2,121,802.40
  4. Step 4: Simplify right side
    3,132,196.40x = 9,968,852,758,187.04
  5. Step 5: Solve for x
    x = 9,968,852,758,187.04/3,132,196.40
  6. Step 6: Final answer
    x = 3,182,703.60

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Similar ratio
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1.5x scale

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.