Home / 2,985,729.69-4,119,007.62-1,897,417.74

Finding the Fourth Proportional to 2,985,729.69, 4,119,007.62 and 1,897,417.74

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Solution

The fourth proportional to 2,985,729.69, 4,119,007.62 and 1,897,417.74 is: 2,617,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,729.69 : 4,119,007.62 = 1,897,417.74 : x
  2. Step 2: Convert to fraction form
    2,985,729.69/4,119,007.62 = 1,897,417.74/x
  3. Step 3: Cross multiply
    2,985,729.69x = 4,119,007.62 × 1,897,417.74
  4. Step 4: Simplify right side
    2,985,729.69x = 7,815,478,129,383.18
  5. Step 5: Solve for x
    x = 7,815,478,129,383.18/2,985,729.69
  6. Step 6: Final answer
    x = 2,617,610.75

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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.