Home / 1,709,555.87-2,369,975.57-1,618,547.51

Finding the Fourth Proportional to 1,709,555.87, 2,369,975.57 and 1,618,547.51

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Solution

The fourth proportional to 1,709,555.87, 2,369,975.57 and 1,618,547.51 is: 2,243,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,555.87 : 2,369,975.57 = 1,618,547.51 : x
  2. Step 2: Convert to fraction form
    1,709,555.87/2,369,975.57 = 1,618,547.51/x
  3. Step 3: Cross multiply
    1,709,555.87x = 2,369,975.57 × 1,618,547.51
  4. Step 4: Simplify right side
    1,709,555.87x = 3,835,918,057,584.33
  5. Step 5: Solve for x
    x = 3,835,918,057,584.33/1,709,555.87
  6. Step 6: Final answer
    x = 2,243,809.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.