Home / 1,888,912.60-2,833,368.90-1,490,781.40

Finding the Fourth Proportional to 1,888,912.60, 2,833,368.90 and 1,490,781.40

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Solution

The fourth proportional to 1,888,912.60, 2,833,368.90 and 1,490,781.40 is: 2,236,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,912.60 : 2,833,368.90 = 1,490,781.40 : x
  2. Step 2: Convert to fraction form
    1,888,912.60/2,833,368.90 = 1,490,781.40/x
  3. Step 3: Cross multiply
    1,888,912.60x = 2,833,368.90 × 1,490,781.40
  4. Step 4: Simplify right side
    1,888,912.60x = 4,223,933,655,458.46
  5. Step 5: Solve for x
    x = 4,223,933,655,458.46/1,888,912.60
  6. Step 6: Final answer
    x = 2,236,172.10

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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.