Home / 5,256,015.80-7,884,023.70-1,889,785.40

Finding the Fourth Proportional to 5,256,015.80, 7,884,023.70 and 1,889,785.40

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Solution

The fourth proportional to 5,256,015.80, 7,884,023.70 and 1,889,785.40 is: 2,834,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,015.80 : 7,884,023.70 = 1,889,785.40 : x
  2. Step 2: Convert to fraction form
    5,256,015.80/7,884,023.70 = 1,889,785.40/x
  3. Step 3: Cross multiply
    5,256,015.80x = 7,884,023.70 × 1,889,785.40
  4. Step 4: Simplify right side
    5,256,015.80x = 14,899,112,881,513.98
  5. Step 5: Solve for x
    x = 14,899,112,881,513.98/5,256,015.80
  6. Step 6: Final answer
    x = 2,834,678.10

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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.