Home / 1,462,810.40-2,189,938.80-1,042,906.40

Finding the Fourth Proportional to 1,462,810.40, 2,189,938.80 and 1,042,906.40

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Solution

The fourth proportional to 1,462,810.40, 2,189,938.80 and 1,042,906.40 is: 1,561,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,810.40 : 2,189,938.80 = 1,042,906.40 : x
  2. Step 2: Convert to fraction form
    1,462,810.40/2,189,938.80 = 1,042,906.40/x
  3. Step 3: Cross multiply
    1,462,810.40x = 2,189,938.80 × 1,042,906.40
  4. Step 4: Simplify right side
    1,462,810.40x = 2,283,901,190,128.32
  5. Step 5: Solve for x
    x = 2,283,901,190,128.32/1,462,810.40
  6. Step 6: Final answer
    x = 1,561,310.47

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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.