Home / 6,389,056.16-8,816,830.65-3,488,438.06

Finding the Fourth Proportional to 6,389,056.16, 8,816,830.65 and 3,488,438.06

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Solution

The fourth proportional to 6,389,056.16, 8,816,830.65 and 3,488,438.06 is: 4,814,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,056.16 : 8,816,830.65 = 3,488,438.06 : x
  2. Step 2: Convert to fraction form
    6,389,056.16/8,816,830.65 = 3,488,438.06/x
  3. Step 3: Cross multiply
    6,389,056.16x = 8,816,830.65 × 3,488,438.06
  4. Step 4: Simplify right side
    6,389,056.16x = 30,756,967,563,950.39
  5. Step 5: Solve for x
    x = 30,756,967,563,950.39/6,389,056.16
  6. Step 6: Final answer
    x = 4,814,008.02

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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.