Home / 4,662,877.60-6,992,242.80-2,139,306.40

Finding the Fourth Proportional to 4,662,877.60, 6,992,242.80 and 2,139,306.40

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Solution

The fourth proportional to 4,662,877.60, 6,992,242.80 and 2,139,306.40 is: 3,208,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662,877.60 : 6,992,242.80 = 2,139,306.40 : x
  2. Step 2: Convert to fraction form
    4,662,877.60/6,992,242.80 = 2,139,306.40/x
  3. Step 3: Cross multiply
    4,662,877.60x = 6,992,242.80 × 2,139,306.40
  4. Step 4: Simplify right side
    4,662,877.60x = 14,958,549,772,393.92
  5. Step 5: Solve for x
    x = 14,958,549,772,393.92/4,662,877.60
  6. Step 6: Final answer
    x = 3,208,008.24

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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.