Home / 1,919,388.33-2,648,756.90-1,048,235.16

Finding the Fourth Proportional to 1,919,388.33, 2,648,756.90 and 1,048,235.16

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Solution

The fourth proportional to 1,919,388.33, 2,648,756.90 and 1,048,235.16 is: 1,446,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,388.33 : 2,648,756.90 = 1,048,235.16 : x
  2. Step 2: Convert to fraction form
    1,919,388.33/2,648,756.90 = 1,048,235.16/x
  3. Step 3: Cross multiply
    1,919,388.33x = 2,648,756.90 × 1,048,235.16
  4. Step 4: Simplify right side
    1,919,388.33x = 2,776,520,107,631.43
  5. Step 5: Solve for x
    x = 2,776,520,107,631.43/1,919,388.33
  6. Step 6: Final answer
    x = 1,446,565.07

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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.