Home / 1,887,881.95-2,832,232.99-689,802.36

Finding the Fourth Proportional to 1,887,881.95, 2,832,232.99 and 689,802.36

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Solution

The fourth proportional to 1,887,881.95, 2,832,232.99 and 689,802.36 is: 1,034,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,881.95 : 2,832,232.99 = 689,802.36 : x
  2. Step 2: Convert to fraction form
    1,887,881.95/2,832,232.99 = 689,802.36/x
  3. Step 3: Cross multiply
    1,887,881.95x = 2,832,232.99 × 689,802.36
  4. Step 4: Simplify right side
    1,887,881.95x = 1,953,681,000,571.86
  5. Step 5: Solve for x
    x = 1,953,681,000,571.86/1,887,881.95
  6. Step 6: Final answer
    x = 1,034,853.37

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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.