Home / 1,486,498.51-2,049,415.93-1,072,688.01

Finding the Fourth Proportional to 1,486,498.51, 2,049,415.93 and 1,072,688.01

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Solution

The fourth proportional to 1,486,498.51, 2,049,415.93 and 1,072,688.01 is: 1,478,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,498.51 : 2,049,415.93 = 1,072,688.01 : x
  2. Step 2: Convert to fraction form
    1,486,498.51/2,049,415.93 = 1,072,688.01/x
  3. Step 3: Cross multiply
    1,486,498.51x = 2,049,415.93 × 1,072,688.01
  4. Step 4: Simplify right side
    1,486,498.51x = 2,198,383,895,614.00
  5. Step 5: Solve for x
    x = 2,198,383,895,614.00/1,486,498.51
  6. Step 6: Final answer
    x = 1,478,900.84

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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.