Home / 4,490,420.04-6,739,888.44-2,779,387.62

Finding the Fourth Proportional to 4,490,420.04, 6,739,888.44 and 2,779,387.62

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Solution

The fourth proportional to 4,490,420.04, 6,739,888.44 and 2,779,387.62 is: 4,171,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490,420.04 : 6,739,888.44 = 2,779,387.62 : x
  2. Step 2: Convert to fraction form
    4,490,420.04/6,739,888.44 = 2,779,387.62/x
  3. Step 3: Cross multiply
    4,490,420.04x = 6,739,888.44 × 2,779,387.62
  4. Step 4: Simplify right side
    4,490,420.04x = 18,732,762,490,317.11
  5. Step 5: Solve for x
    x = 18,732,762,490,317.11/4,490,420.04
  6. Step 6: Final answer
    x = 4,171,717.19

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1.5x scale

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.