Home / 1,887,518.16-2,604,685.32-1,028,074.32

Finding the Fourth Proportional to 1,887,518.16, 2,604,685.32 and 1,028,074.32

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Solution

The fourth proportional to 1,887,518.16, 2,604,685.32 and 1,028,074.32 is: 1,418,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,518.16 : 2,604,685.32 = 1,028,074.32 : x
  2. Step 2: Convert to fraction form
    1,887,518.16/2,604,685.32 = 1,028,074.32/x
  3. Step 3: Cross multiply
    1,887,518.16x = 2,604,685.32 × 1,028,074.32
  4. Step 4: Simplify right side
    1,887,518.16x = 2,677,810,089,172.98
  5. Step 5: Solve for x
    x = 2,677,810,089,172.98/1,887,518.16
  6. Step 6: Final answer
    x = 1,418,693.68

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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.