Home / 5,119,890.24-7,065,312.96-2,828,001.60

Finding the Fourth Proportional to 5,119,890.24, 7,065,312.96 and 2,828,001.60

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Solution

The fourth proportional to 5,119,890.24, 7,065,312.96 and 2,828,001.60 is: 3,902,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,890.24 : 7,065,312.96 = 2,828,001.60 : x
  2. Step 2: Convert to fraction form
    5,119,890.24/7,065,312.96 = 2,828,001.60/x
  3. Step 3: Cross multiply
    5,119,890.24x = 7,065,312.96 × 2,828,001.60
  4. Step 4: Simplify right side
    5,119,890.24x = 19,980,716,355,380.74
  5. Step 5: Solve for x
    x = 19,980,716,355,380.74/5,119,890.24
  6. Step 6: Final answer
    x = 3,902,567.32

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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.