Home / 1,889,239.40-2,607,177.48-1,029,799.64

Finding the Fourth Proportional to 1,889,239.40, 2,607,177.48 and 1,029,799.64

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Solution

The fourth proportional to 1,889,239.40, 2,607,177.48 and 1,029,799.64 is: 1,421,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,239.40 : 2,607,177.48 = 1,029,799.64 : x
  2. Step 2: Convert to fraction form
    1,889,239.40/2,607,177.48 = 1,029,799.64/x
  3. Step 3: Cross multiply
    1,889,239.40x = 2,607,177.48 × 1,029,799.64
  4. Step 4: Simplify right side
    1,889,239.40x = 2,684,870,430,320.11
  5. Step 5: Solve for x
    x = 2,684,870,430,320.11/1,889,239.40
  6. Step 6: Final answer
    x = 1,421,138.28

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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.