Home / 1,666,855.19-2,300,271.21-902,908.76

Finding the Fourth Proportional to 1,666,855.19, 2,300,271.21 and 902,908.76

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Solution

The fourth proportional to 1,666,855.19, 2,300,271.21 and 902,908.76 is: 1,246,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,855.19 : 2,300,271.21 = 902,908.76 : x
  2. Step 2: Convert to fraction form
    1,666,855.19/2,300,271.21 = 902,908.76/x
  3. Step 3: Cross multiply
    1,666,855.19x = 2,300,271.21 × 902,908.76
  4. Step 4: Simplify right side
    1,666,855.19x = 2,076,935,014,383.44
  5. Step 5: Solve for x
    x = 2,076,935,014,383.44/1,666,855.19
  6. Step 6: Final answer
    x = 1,246,020.06

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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.