Home / 2,988,045.45-4,484,400.98-1,390,806.45

Finding the Fourth Proportional to 2,988,045.45, 4,484,400.98 and 1,390,806.45

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Solution

The fourth proportional to 2,988,045.45, 4,484,400.98 and 1,390,806.45 is: 2,087,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045.45 : 4,484,400.98 = 1,390,806.45 : x
  2. Step 2: Convert to fraction form
    2,988,045.45/4,484,400.98 = 1,390,806.45/x
  3. Step 3: Cross multiply
    2,988,045.45x = 4,484,400.98 × 1,390,806.45
  4. Step 4: Simplify right side
    2,988,045.45x = 6,236,933,800,416.29
  5. Step 5: Solve for x
    x = 6,236,933,800,416.29/2,988,045.45
  6. Step 6: Final answer
    x = 2,087,295.49

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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.