Home / 2,147,381.90-2,963,210.87-1,264,190.87

Finding the Fourth Proportional to 2,147,381.90, 2,963,210.87 and 1,264,190.87

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Solution

The fourth proportional to 2,147,381.90, 2,963,210.87 and 1,264,190.87 is: 1,744,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,381.90 : 2,963,210.87 = 1,264,190.87 : x
  2. Step 2: Convert to fraction form
    2,147,381.90/2,963,210.87 = 1,264,190.87/x
  3. Step 3: Cross multiply
    2,147,381.90x = 2,963,210.87 × 1,264,190.87
  4. Step 4: Simplify right side
    2,147,381.90x = 3,746,064,127,738.76
  5. Step 5: Solve for x
    x = 3,746,064,127,738.76/2,147,381.90
  6. Step 6: Final answer
    x = 1,744,479.70

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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.