Home / 1,918,511.16-2,647,545.87-1,059,072

Finding the Fourth Proportional to 1,918,511.16, 2,647,545.87 and 1,059,072

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Solution

The fourth proportional to 1,918,511.16, 2,647,545.87 and 1,059,072 is: 1,461,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,511.16 : 2,647,545.87 = 1,059,072 : x
  2. Step 2: Convert to fraction form
    1,918,511.16/2,647,545.87 = 1,059,072/x
  3. Step 3: Cross multiply
    1,918,511.16x = 2,647,545.87 × 1,059,072
  4. Step 4: Simplify right side
    1,918,511.16x = 2,803,941,699,632.64
  5. Step 5: Solve for x
    x = 2,803,941,699,632.64/1,918,511.16
  6. Step 6: Final answer
    x = 1,461,519.62

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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.