Home / 6,465,321-9,698,030.10-2,870,121.42

Finding the Fourth Proportional to 6,465,321, 9,698,030.10 and 2,870,121.42

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Solution

The fourth proportional to 6,465,321, 9,698,030.10 and 2,870,121.42 is: 4,305,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,321 : 9,698,030.10 = 2,870,121.42 : x
  2. Step 2: Convert to fraction form
    6,465,321/9,698,030.10 = 2,870,121.42/x
  3. Step 3: Cross multiply
    6,465,321x = 9,698,030.10 × 2,870,121.42
  4. Step 4: Simplify right side
    6,465,321x = 27,834,523,921,814.74
  5. Step 5: Solve for x
    x = 27,834,523,921,814.74/6,465,321
  6. Step 6: Final answer
    x = 4,305,203.70

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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.