Home / 2,020,282.65-2,788,048.80-1,102,570.81

Finding the Fourth Proportional to 2,020,282.65, 2,788,048.80 and 1,102,570.81

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Solution

The fourth proportional to 2,020,282.65, 2,788,048.80 and 1,102,570.81 is: 1,521,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,282.65 : 2,788,048.80 = 1,102,570.81 : x
  2. Step 2: Convert to fraction form
    2,020,282.65/2,788,048.80 = 1,102,570.81/x
  3. Step 3: Cross multiply
    2,020,282.65x = 2,788,048.80 × 1,102,570.81
  4. Step 4: Simplify right side
    2,020,282.65x = 3,074,021,216,765.41
  5. Step 5: Solve for x
    x = 3,074,021,216,765.41/2,020,282.65
  6. Step 6: Final answer
    x = 1,521,579.77

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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.