Home / 1,927,210.80-2,890,816.20-1,853,727.60

Finding the Fourth Proportional to 1,927,210.80, 2,890,816.20 and 1,853,727.60

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Solution

The fourth proportional to 1,927,210.80, 2,890,816.20 and 1,853,727.60 is: 2,780,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,210.80 : 2,890,816.20 = 1,853,727.60 : x
  2. Step 2: Convert to fraction form
    1,927,210.80/2,890,816.20 = 1,853,727.60/x
  3. Step 3: Cross multiply
    1,927,210.80x = 2,890,816.20 × 1,853,727.60
  4. Step 4: Simplify right side
    1,927,210.80x = 5,358,785,776,467.12
  5. Step 5: Solve for x
    x = 5,358,785,776,467.12/1,927,210.80
  6. Step 6: Final answer
    x = 2,780,591.40

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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.