Home / 1,889,125.03-2,606,994.37-1,029,688.71

Finding the Fourth Proportional to 1,889,125.03, 2,606,994.37 and 1,029,688.71

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Solution

The fourth proportional to 1,889,125.03, 2,606,994.37 and 1,029,688.71 is: 1,420,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,125.03 : 2,606,994.37 = 1,029,688.71 : x
  2. Step 2: Convert to fraction form
    1,889,125.03/2,606,994.37 = 1,029,688.71/x
  3. Step 3: Cross multiply
    1,889,125.03x = 2,606,994.37 × 1,029,688.71
  4. Step 4: Simplify right side
    1,889,125.03x = 2,684,392,655,541.45
  5. Step 5: Solve for x
    x = 2,684,392,655,541.45/1,889,125.03
  6. Step 6: Final answer
    x = 1,420,971.41

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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.