Home / 1,552,830-2,142,154.13-1,001,400.05

Finding the Fourth Proportional to 1,552,830, 2,142,154.13 and 1,001,400.05

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Solution

The fourth proportional to 1,552,830, 2,142,154.13 and 1,001,400.05 is: 1,381,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,830 : 2,142,154.13 = 1,001,400.05 : x
  2. Step 2: Convert to fraction form
    1,552,830/2,142,154.13 = 1,001,400.05/x
  3. Step 3: Cross multiply
    1,552,830x = 2,142,154.13 × 1,001,400.05
  4. Step 4: Simplify right side
    1,552,830x = 2,145,153,237,171.94
  5. Step 5: Solve for x
    x = 2,145,153,237,171.94/1,552,830
  6. Step 6: Final answer
    x = 1,381,447.57

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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.