Home / 1,821,896.10-2,515,266.06-1,210,877.46

Finding the Fourth Proportional to 1,821,896.10, 2,515,266.06 and 1,210,877.46

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Solution

The fourth proportional to 1,821,896.10, 2,515,266.06 and 1,210,877.46 is: 1,671,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,896.10 : 2,515,266.06 = 1,210,877.46 : x
  2. Step 2: Convert to fraction form
    1,821,896.10/2,515,266.06 = 1,210,877.46/x
  3. Step 3: Cross multiply
    1,821,896.10x = 2,515,266.06 × 1,210,877.46
  4. Step 4: Simplify right side
    1,821,896.10x = 3,045,678,977,957.01
  5. Step 5: Solve for x
    x = 3,045,678,977,957.01/1,821,896.10
  6. Step 6: Final answer
    x = 1,671,708.38

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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.