Home / 2,402,128.63-3,314,937.51-1,314,400.21

Finding the Fourth Proportional to 2,402,128.63, 3,314,937.51 and 1,314,400.21

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Solution

The fourth proportional to 2,402,128.63, 3,314,937.51 and 1,314,400.21 is: 1,813,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402,128.63 : 3,314,937.51 = 1,314,400.21 : x
  2. Step 2: Convert to fraction form
    2,402,128.63/3,314,937.51 = 1,314,400.21/x
  3. Step 3: Cross multiply
    2,402,128.63x = 3,314,937.51 × 1,314,400.21
  4. Step 4: Simplify right side
    2,402,128.63x = 4,357,154,550,993.53
  5. Step 5: Solve for x
    x = 4,357,154,550,993.53/2,402,128.63
  6. Step 6: Final answer
    x = 1,813,872.29

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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.