Home / 6,426,979.30-8,869,394.68-3,526,369.40

Finding the Fourth Proportional to 6,426,979.30, 8,869,394.68 and 3,526,369.40

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Solution

The fourth proportional to 6,426,979.30, 8,869,394.68 and 3,526,369.40 is: 4,866,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426,979.30 : 8,869,394.68 = 3,526,369.40 : x
  2. Step 2: Convert to fraction form
    6,426,979.30/8,869,394.68 = 3,526,369.40/x
  3. Step 3: Cross multiply
    6,426,979.30x = 8,869,394.68 × 3,526,369.40
  4. Step 4: Simplify right side
    6,426,979.30x = 31,276,761,996,074.79
  5. Step 5: Solve for x
    x = 31,276,761,996,074.79/6,426,979.30
  6. Step 6: Final answer
    x = 4,866,479.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.