Home / 1,918,550.65-2,647,605.63-1,047,386.71

Finding the Fourth Proportional to 1,918,550.65, 2,647,605.63 and 1,047,386.71

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Solution

The fourth proportional to 1,918,550.65, 2,647,605.63 and 1,047,386.71 is: 1,445,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,550.65 : 2,647,605.63 = 1,047,386.71 : x
  2. Step 2: Convert to fraction form
    1,918,550.65/2,647,605.63 = 1,047,386.71/x
  3. Step 3: Cross multiply
    1,918,550.65x = 2,647,605.63 × 1,047,386.71
  4. Step 4: Simplify right side
    1,918,550.65x = 2,773,066,950,183.18
  5. Step 5: Solve for x
    x = 2,773,066,950,183.18/1,918,550.65
  6. Step 6: Final answer
    x = 1,445,396.79

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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.