Home / 4,538,386.20-6,807,579.30-4,191,965.40

Finding the Fourth Proportional to 4,538,386.20, 6,807,579.30 and 4,191,965.40

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Solution

The fourth proportional to 4,538,386.20, 6,807,579.30 and 4,191,965.40 is: 6,287,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538,386.20 : 6,807,579.30 = 4,191,965.40 : x
  2. Step 2: Convert to fraction form
    4,538,386.20/6,807,579.30 = 4,191,965.40/x
  3. Step 3: Cross multiply
    4,538,386.20x = 6,807,579.30 × 4,191,965.40
  4. Step 4: Simplify right side
    4,538,386.20x = 28,537,136,883,356.22
  5. Step 5: Solve for x
    x = 28,537,136,883,356.22/4,538,386.20
  6. Step 6: Final answer
    x = 6,287,948.10

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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.