Home / 2,389,328.40-3,297,271.74-1,316,240.40

Finding the Fourth Proportional to 2,389,328.40, 3,297,271.74 and 1,316,240.40

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Solution

The fourth proportional to 2,389,328.40, 3,297,271.74 and 1,316,240.40 is: 1,816,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,328.40 : 3,297,271.74 = 1,316,240.40 : x
  2. Step 2: Convert to fraction form
    2,389,328.40/3,297,271.74 = 1,316,240.40/x
  3. Step 3: Cross multiply
    2,389,328.40x = 3,297,271.74 × 1,316,240.40
  4. Step 4: Simplify right side
    2,389,328.40x = 4,340,002,273,966.30
  5. Step 5: Solve for x
    x = 4,340,002,273,966.30/2,389,328.40
  6. Step 6: Final answer
    x = 1,816,410.95

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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.