Home / 1,908,903.52-2,857,124.64-1,403,330.56

Finding the Fourth Proportional to 1,908,903.52, 2,857,124.64 and 1,403,330.56

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Solution

The fourth proportional to 1,908,903.52, 2,857,124.64 and 1,403,330.56 is: 2,100,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,903.52 : 2,857,124.64 = 1,403,330.56 : x
  2. Step 2: Convert to fraction form
    1,908,903.52/2,857,124.64 = 1,403,330.56/x
  3. Step 3: Cross multiply
    1,908,903.52x = 2,857,124.64 × 1,403,330.56
  4. Step 4: Simplify right side
    1,908,903.52x = 4,009,490,321,041.00
  5. Step 5: Solve for x
    x = 4,009,490,321,041.00/1,908,903.52
  6. Step 6: Final answer
    x = 2,100,415.38

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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.