Home / 5,102,365-7,041,263.72-2,810,518.60

Finding the Fourth Proportional to 5,102,365, 7,041,263.72 and 2,810,518.60

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Solution

The fourth proportional to 5,102,365, 7,041,263.72 and 2,810,518.60 is: 3,878,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,365 : 7,041,263.72 = 2,810,518.60 : x
  2. Step 2: Convert to fraction form
    5,102,365/7,041,263.72 = 2,810,518.60/x
  3. Step 3: Cross multiply
    5,102,365x = 7,041,263.72 × 2,810,518.60
  4. Step 4: Simplify right side
    5,102,365x = 19,789,602,652,565.19
  5. Step 5: Solve for x
    x = 19,789,602,652,565.19/5,102,365
  6. Step 6: Final answer
    x = 3,878,515.68

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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.