Home / 2,680,712.40-4,021,068.60-907,784.40

Finding the Fourth Proportional to 2,680,712.40, 4,021,068.60 and 907,784.40

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Solution

The fourth proportional to 2,680,712.40, 4,021,068.60 and 907,784.40 is: 1,361,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,712.40 : 4,021,068.60 = 907,784.40 : x
  2. Step 2: Convert to fraction form
    2,680,712.40/4,021,068.60 = 907,784.40/x
  3. Step 3: Cross multiply
    2,680,712.40x = 4,021,068.60 × 907,784.40
  4. Step 4: Simplify right side
    2,680,712.40x = 3,650,263,346,409.84
  5. Step 5: Solve for x
    x = 3,650,263,346,409.84/2,680,712.40
  6. Step 6: Final answer
    x = 1,361,676.60

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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.