Home / 1,872,037.60-2,808,056.40-809,155.60

Finding the Fourth Proportional to 1,872,037.60, 2,808,056.40 and 809,155.60

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Solution

The fourth proportional to 1,872,037.60, 2,808,056.40 and 809,155.60 is: 1,213,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,037.60 : 2,808,056.40 = 809,155.60 : x
  2. Step 2: Convert to fraction form
    1,872,037.60/2,808,056.40 = 809,155.60/x
  3. Step 3: Cross multiply
    1,872,037.60x = 2,808,056.40 × 809,155.60
  4. Step 4: Simplify right side
    1,872,037.60x = 2,272,154,561,175.84
  5. Step 5: Solve for x
    x = 2,272,154,561,175.84/1,872,037.60
  6. Step 6: Final answer
    x = 1,213,733.40

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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.