Home / 2,600,355.60-3,900,533.40-681,263.10

Finding the Fourth Proportional to 2,600,355.60, 3,900,533.40 and 681,263.10

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Solution

The fourth proportional to 2,600,355.60, 3,900,533.40 and 681,263.10 is: 1,021,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,355.60 : 3,900,533.40 = 681,263.10 : x
  2. Step 2: Convert to fraction form
    2,600,355.60/3,900,533.40 = 681,263.10/x
  3. Step 3: Cross multiply
    2,600,355.60x = 3,900,533.40 × 681,263.10
  4. Step 4: Simplify right side
    2,600,355.60x = 2,657,289,475,737.54
  5. Step 5: Solve for x
    x = 2,657,289,475,737.54/2,600,355.60
  6. Step 6: Final answer
    x = 1,021,894.65

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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.