Home / 1,953,840.06-2,697,222.78-1,309,681.08

Finding the Fourth Proportional to 1,953,840.06, 2,697,222.78 and 1,309,681.08

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Solution

The fourth proportional to 1,953,840.06, 2,697,222.78 and 1,309,681.08 is: 1,807,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,840.06 : 2,697,222.78 = 1,309,681.08 : x
  2. Step 2: Convert to fraction form
    1,953,840.06/2,697,222.78 = 1,309,681.08/x
  3. Step 3: Cross multiply
    1,953,840.06x = 2,697,222.78 × 1,309,681.08
  4. Step 4: Simplify right side
    1,953,840.06x = 3,532,501,643,511.00
  5. Step 5: Solve for x
    x = 3,532,501,643,511.00/1,953,840.06
  6. Step 6: Final answer
    x = 1,807,978.92

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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.