Home / 6,447,984.42-8,898,218.48-3,547,312.98

Finding the Fourth Proportional to 6,447,984.42, 8,898,218.48 and 3,547,312.98

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Solution

The fourth proportional to 6,447,984.42, 8,898,218.48 and 3,547,312.98 is: 4,895,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447,984.42 : 8,898,218.48 = 3,547,312.98 : x
  2. Step 2: Convert to fraction form
    6,447,984.42/8,898,218.48 = 3,547,312.98/x
  3. Step 3: Cross multiply
    6,447,984.42x = 8,898,218.48 × 3,547,312.98
  4. Step 4: Simplify right side
    6,447,984.42x = 31,564,765,912,979.87
  5. Step 5: Solve for x
    x = 31,564,765,912,979.87/6,447,984.42
  6. Step 6: Final answer
    x = 4,895,291.90

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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.