Home / 1,993,289.60-2,989,934.40-1,875,191.60

Finding the Fourth Proportional to 1,993,289.60, 2,989,934.40 and 1,875,191.60

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Solution

The fourth proportional to 1,993,289.60, 2,989,934.40 and 1,875,191.60 is: 2,812,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,289.60 : 2,989,934.40 = 1,875,191.60 : x
  2. Step 2: Convert to fraction form
    1,993,289.60/2,989,934.40 = 1,875,191.60/x
  3. Step 3: Cross multiply
    1,993,289.60x = 2,989,934.40 × 1,875,191.60
  4. Step 4: Simplify right side
    1,993,289.60x = 5,606,699,871,431.04
  5. Step 5: Solve for x
    x = 5,606,699,871,431.04/1,993,289.60
  6. Step 6: Final answer
    x = 2,812,787.40

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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.