Home / 5,128,776.40-7,693,164.60-4,892,580.40

Finding the Fourth Proportional to 5,128,776.40, 7,693,164.60 and 4,892,580.40

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Solution

The fourth proportional to 5,128,776.40, 7,693,164.60 and 4,892,580.40 is: 7,338,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,776.40 : 7,693,164.60 = 4,892,580.40 : x
  2. Step 2: Convert to fraction form
    5,128,776.40/7,693,164.60 = 4,892,580.40/x
  3. Step 3: Cross multiply
    5,128,776.40x = 7,693,164.60 × 4,892,580.40
  4. Step 4: Simplify right side
    5,128,776.40x = 37,639,426,335,933.84
  5. Step 5: Solve for x
    x = 37,639,426,335,933.84/5,128,776.40
  6. Step 6: Final answer
    x = 7,338,870.60

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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.