Home / 2,896,775.48-4,000,867.86-1,907,764.40

Finding the Fourth Proportional to 2,896,775.48, 4,000,867.86 and 1,907,764.40

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Solution

The fourth proportional to 2,896,775.48, 4,000,867.86 and 1,907,764.40 is: 2,634,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,775.48 : 4,000,867.86 = 1,907,764.40 : x
  2. Step 2: Convert to fraction form
    2,896,775.48/4,000,867.86 = 1,907,764.40/x
  3. Step 3: Cross multiply
    2,896,775.48x = 4,000,867.86 × 1,907,764.40
  4. Step 4: Simplify right side
    2,896,775.48x = 7,632,713,272,412.18
  5. Step 5: Solve for x
    x = 7,632,713,272,412.18/2,896,775.48
  6. Step 6: Final answer
    x = 2,634,899.85

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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.