Home / 1,974,556.80-2,960,960.40-909,925.20

Finding the Fourth Proportional to 1,974,556.80, 2,960,960.40 and 909,925.20

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Solution

The fourth proportional to 1,974,556.80, 2,960,960.40 and 909,925.20 is: 1,364,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,556.80 : 2,960,960.40 = 909,925.20 : x
  2. Step 2: Convert to fraction form
    1,974,556.80/2,960,960.40 = 909,925.20/x
  3. Step 3: Cross multiply
    1,974,556.80x = 2,960,960.40 × 909,925.20
  4. Step 4: Simplify right side
    1,974,556.80x = 2,694,252,484,162.08
  5. Step 5: Solve for x
    x = 2,694,252,484,162.08/1,974,556.80
  6. Step 6: Final answer
    x = 1,364,484.67

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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.