Home / 2,130,535.20-3,195,802.80-1,937,690.40

Finding the Fourth Proportional to 2,130,535.20, 3,195,802.80 and 1,937,690.40

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Solution

The fourth proportional to 2,130,535.20, 3,195,802.80 and 1,937,690.40 is: 2,906,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,535.20 : 3,195,802.80 = 1,937,690.40 : x
  2. Step 2: Convert to fraction form
    2,130,535.20/3,195,802.80 = 1,937,690.40/x
  3. Step 3: Cross multiply
    2,130,535.20x = 3,195,802.80 × 1,937,690.40
  4. Step 4: Simplify right side
    2,130,535.20x = 6,192,476,405,853.12
  5. Step 5: Solve for x
    x = 6,192,476,405,853.12/2,130,535.20
  6. Step 6: Final answer
    x = 2,906,535.60

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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.