Home / 1,681,705.80-2,522,558.70-1,209,313.80

Finding the Fourth Proportional to 1,681,705.80, 2,522,558.70 and 1,209,313.80

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Solution

The fourth proportional to 1,681,705.80, 2,522,558.70 and 1,209,313.80 is: 1,813,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,705.80 : 2,522,558.70 = 1,209,313.80 : x
  2. Step 2: Convert to fraction form
    1,681,705.80/2,522,558.70 = 1,209,313.80/x
  3. Step 3: Cross multiply
    1,681,705.80x = 2,522,558.70 × 1,209,313.80
  4. Step 4: Simplify right side
    1,681,705.80x = 3,050,565,047,220.06
  5. Step 5: Solve for x
    x = 3,050,565,047,220.06/1,681,705.80
  6. Step 6: Final answer
    x = 1,813,970.70

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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.