Home / 2,590,854.40-3,886,281.60-907,739.20

Finding the Fourth Proportional to 2,590,854.40, 3,886,281.60 and 907,739.20

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Solution

The fourth proportional to 2,590,854.40, 3,886,281.60 and 907,739.20 is: 1,361,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,854.40 : 3,886,281.60 = 907,739.20 : x
  2. Step 2: Convert to fraction form
    2,590,854.40/3,886,281.60 = 907,739.20/x
  3. Step 3: Cross multiply
    2,590,854.40x = 3,886,281.60 × 907,739.20
  4. Step 4: Simplify right side
    2,590,854.40x = 3,527,730,150,558.72
  5. Step 5: Solve for x
    x = 3,527,730,150,558.72/2,590,854.40
  6. Step 6: Final answer
    x = 1,361,608.80

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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.