Home / 1,974,511.80-2,960,892.90-909,880.20

Finding the Fourth Proportional to 1,974,511.80, 2,960,892.90 and 909,880.20

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Solution

The fourth proportional to 1,974,511.80, 2,960,892.90 and 909,880.20 is: 1,364,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,511.80 : 2,960,892.90 = 909,880.20 : x
  2. Step 2: Convert to fraction form
    1,974,511.80/2,960,892.90 = 909,880.20/x
  3. Step 3: Cross multiply
    1,974,511.80x = 2,960,892.90 × 909,880.20
  4. Step 4: Simplify right side
    1,974,511.80x = 2,694,057,824,030.58
  5. Step 5: Solve for x
    x = 2,694,057,824,030.58/1,974,511.80
  6. Step 6: Final answer
    x = 1,364,417.18

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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.