Home / 1,977,886.69-2,729,484.84-1,072,468.69

Finding the Fourth Proportional to 1,977,886.69, 2,729,484.84 and 1,072,468.69

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Solution

The fourth proportional to 1,977,886.69, 2,729,484.84 and 1,072,468.69 is: 1,480,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,886.69 : 2,729,484.84 = 1,072,468.69 : x
  2. Step 2: Convert to fraction form
    1,977,886.69/2,729,484.84 = 1,072,468.69/x
  3. Step 3: Cross multiply
    1,977,886.69x = 2,729,484.84 × 1,072,468.69
  4. Step 4: Simplify right side
    1,977,886.69x = 2,927,287,027,927.71
  5. Step 5: Solve for x
    x = 2,927,287,027,927.71/1,977,886.69
  6. Step 6: Final answer
    x = 1,480,007.45

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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.