Home / 1,871,727.30-2,807,590.95-1,855,980.90

Finding the Fourth Proportional to 1,871,727.30, 2,807,590.95 and 1,855,980.90

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Solution

The fourth proportional to 1,871,727.30, 2,807,590.95 and 1,855,980.90 is: 2,783,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,727.30 : 2,807,590.95 = 1,855,980.90 : x
  2. Step 2: Convert to fraction form
    1,871,727.30/2,807,590.95 = 1,855,980.90/x
  3. Step 3: Cross multiply
    1,871,727.30x = 2,807,590.95 × 1,855,980.90
  4. Step 4: Simplify right side
    1,871,727.30x = 5,210,835,178,212.86
  5. Step 5: Solve for x
    x = 5,210,835,178,212.86/1,871,727.30
  6. Step 6: Final answer
    x = 2,783,971.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.