Home / 5,210,740.64-7,816,606.32-1,616,546.72

Finding the Fourth Proportional to 5,210,740.64, 7,816,606.32 and 1,616,546.72

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Solution

The fourth proportional to 5,210,740.64, 7,816,606.32 and 1,616,546.72 is: 2,424,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,740.64 : 7,816,606.32 = 1,616,546.72 : x
  2. Step 2: Convert to fraction form
    5,210,740.64/7,816,606.32 = 1,616,546.72/x
  3. Step 3: Cross multiply
    5,210,740.64x = 7,816,606.32 × 1,616,546.72
  4. Step 4: Simplify right side
    5,210,740.64x = 12,635,909,308,127.27
  5. Step 5: Solve for x
    x = 12,635,909,308,127.27/5,210,740.64
  6. Step 6: Final answer
    x = 2,424,973.76

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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.