Home / 2,931,343.60-4,397,015.40-1,038,276.40

Finding the Fourth Proportional to 2,931,343.60, 4,397,015.40 and 1,038,276.40

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Solution

The fourth proportional to 2,931,343.60, 4,397,015.40 and 1,038,276.40 is: 1,557,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,343.60 : 4,397,015.40 = 1,038,276.40 : x
  2. Step 2: Convert to fraction form
    2,931,343.60/4,397,015.40 = 1,038,276.40/x
  3. Step 3: Cross multiply
    2,931,343.60x = 4,397,015.40 × 1,038,276.40
  4. Step 4: Simplify right side
    2,931,343.60x = 4,565,317,320,256.56
  5. Step 5: Solve for x
    x = 4,565,317,320,256.56/2,931,343.60
  6. Step 6: Final answer
    x = 1,557,414.60

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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.