Home / 1,946,665.76-2,686,133.34-1,087,116.44

Finding the Fourth Proportional to 1,946,665.76, 2,686,133.34 and 1,087,116.44

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Solution

The fourth proportional to 1,946,665.76, 2,686,133.34 and 1,087,116.44 is: 1,500,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,665.76 : 2,686,133.34 = 1,087,116.44 : x
  2. Step 2: Convert to fraction form
    1,946,665.76/2,686,133.34 = 1,087,116.44/x
  3. Step 3: Cross multiply
    1,946,665.76x = 2,686,133.34 × 1,087,116.44
  4. Step 4: Simplify right side
    1,946,665.76x = 2,920,139,713,946.11
  5. Step 5: Solve for x
    x = 2,920,139,713,946.11/1,946,665.76
  6. Step 6: Final answer
    x = 1,500,072.47

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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.