Home / 2,130,897.12-2,940,708.69-1,164,117.30

Finding the Fourth Proportional to 2,130,897.12, 2,940,708.69 and 1,164,117.30

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Solution

The fourth proportional to 2,130,897.12, 2,940,708.69 and 1,164,117.30 is: 1,606,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,897.12 : 2,940,708.69 = 1,164,117.30 : x
  2. Step 2: Convert to fraction form
    2,130,897.12/2,940,708.69 = 1,164,117.30/x
  3. Step 3: Cross multiply
    2,130,897.12x = 2,940,708.69 × 1,164,117.30
  4. Step 4: Simplify right side
    2,130,897.12x = 3,423,329,860,289.34
  5. Step 5: Solve for x
    x = 3,423,329,860,289.34/2,130,897.12
  6. Step 6: Final answer
    x = 1,606,520.48

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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.