Home / 1,920,069.40-2,880,104.10-1,605,141.40

Finding the Fourth Proportional to 1,920,069.40, 2,880,104.10 and 1,605,141.40

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Solution

The fourth proportional to 1,920,069.40, 2,880,104.10 and 1,605,141.40 is: 2,407,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,069.40 : 2,880,104.10 = 1,605,141.40 : x
  2. Step 2: Convert to fraction form
    1,920,069.40/2,880,104.10 = 1,605,141.40/x
  3. Step 3: Cross multiply
    1,920,069.40x = 2,880,104.10 × 1,605,141.40
  4. Step 4: Simplify right side
    1,920,069.40x = 4,622,974,327,219.74
  5. Step 5: Solve for x
    x = 4,622,974,327,219.74/1,920,069.40
  6. Step 6: Final answer
    x = 2,407,712.10

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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.