Home / 6,466,386.30-9,700,329.86-2,148,821.84

Finding the Fourth Proportional to 6,466,386.30, 9,700,329.86 and 2,148,821.84

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Solution

The fourth proportional to 6,466,386.30, 9,700,329.86 and 2,148,821.84 is: 3,223,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466,386.30 : 9,700,329.86 = 2,148,821.84 : x
  2. Step 2: Convert to fraction form
    6,466,386.30/9,700,329.86 = 2,148,821.84/x
  3. Step 3: Cross multiply
    6,466,386.30x = 9,700,329.86 × 2,148,821.84
  4. Step 4: Simplify right side
    6,466,386.30x = 20,844,280,599,126.38
  5. Step 5: Solve for x
    x = 20,844,280,599,126.38/6,466,386.30
  6. Step 6: Final answer
    x = 3,223,482.12

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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.