Home / 5,142,831.14-7,097,186.96-2,819,935.74

Finding the Fourth Proportional to 5,142,831.14, 7,097,186.96 and 2,819,935.74

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Solution

The fourth proportional to 5,142,831.14, 7,097,186.96 and 2,819,935.74 is: 3,891,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,831.14 : 7,097,186.96 = 2,819,935.74 : x
  2. Step 2: Convert to fraction form
    5,142,831.14/7,097,186.96 = 2,819,935.74/x
  3. Step 3: Cross multiply
    5,142,831.14x = 7,097,186.96 × 2,819,935.74
  4. Step 4: Simplify right side
    5,142,831.14x = 20,013,611,166,051.99
  5. Step 5: Solve for x
    x = 20,013,611,166,051.99/5,142,831.14
  6. Step 6: Final answer
    x = 3,891,555.18

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1.5x scale

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.