Home / 1,980,904.40-2,971,356.60-1,954,332.35

Finding the Fourth Proportional to 1,980,904.40, 2,971,356.60 and 1,954,332.35

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Solution

The fourth proportional to 1,980,904.40, 2,971,356.60 and 1,954,332.35 is: 2,931,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,904.40 : 2,971,356.60 = 1,954,332.35 : x
  2. Step 2: Convert to fraction form
    1,980,904.40/2,971,356.60 = 1,954,332.35/x
  3. Step 3: Cross multiply
    1,980,904.40x = 2,971,356.60 × 1,954,332.35
  4. Step 4: Simplify right side
    1,980,904.40x = 5,807,018,326,766.01
  5. Step 5: Solve for x
    x = 5,807,018,326,766.01/1,980,904.40
  6. Step 6: Final answer
    x = 2,931,498.53

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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.