Home / 2,931,657.20-4,397,485.80-1,038,152.60

Finding the Fourth Proportional to 2,931,657.20, 4,397,485.80 and 1,038,152.60

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Solution

The fourth proportional to 2,931,657.20, 4,397,485.80 and 1,038,152.60 is: 1,557,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,657.20 : 4,397,485.80 = 1,038,152.60 : x
  2. Step 2: Convert to fraction form
    2,931,657.20/4,397,485.80 = 1,038,152.60/x
  3. Step 3: Cross multiply
    2,931,657.20x = 4,397,485.80 × 1,038,152.60
  4. Step 4: Simplify right side
    2,931,657.20x = 4,565,261,316,733.08
  5. Step 5: Solve for x
    x = 4,565,261,316,733.08/2,931,657.20
  6. Step 6: Final answer
    x = 1,557,228.90

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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.