Home / 1,974,081.60-2,961,122.40-554,378.40

Finding the Fourth Proportional to 1,974,081.60, 2,961,122.40 and 554,378.40

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Solution

The fourth proportional to 1,974,081.60, 2,961,122.40 and 554,378.40 is: 831,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,081.60 : 2,961,122.40 = 554,378.40 : x
  2. Step 2: Convert to fraction form
    1,974,081.60/2,961,122.40 = 554,378.40/x
  3. Step 3: Cross multiply
    1,974,081.60x = 2,961,122.40 × 554,378.40
  4. Step 4: Simplify right side
    1,974,081.60x = 1,641,582,298,316.16
  5. Step 5: Solve for x
    x = 1,641,582,298,316.16/1,974,081.60
  6. Step 6: Final answer
    x = 831,567.60

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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.