Home / 3,130,725.78-4,696,678.63-1,186,036.85

Finding the Fourth Proportional to 3,130,725.78, 4,696,678.63 and 1,186,036.85

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Solution

The fourth proportional to 3,130,725.78, 4,696,678.63 and 1,186,036.85 is: 1,779,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,725.78 : 4,696,678.63 = 1,186,036.85 : x
  2. Step 2: Convert to fraction form
    3,130,725.78/4,696,678.63 = 1,186,036.85/x
  3. Step 3: Cross multiply
    3,130,725.78x = 4,696,678.63 × 1,186,036.85
  4. Step 4: Simplify right side
    3,130,725.78x = 5,570,433,936,564.12
  5. Step 5: Solve for x
    x = 5,570,433,936,564.12/3,130,725.78
  6. Step 6: Final answer
    x = 1,779,278.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.