Home / 1,562,312.10-2,338,219.35-1,089,920.10

Finding the Fourth Proportional to 1,562,312.10, 2,338,219.35 and 1,089,920.10

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Solution

The fourth proportional to 1,562,312.10, 2,338,219.35 and 1,089,920.10 is: 1,631,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,312.10 : 2,338,219.35 = 1,089,920.10 : x
  2. Step 2: Convert to fraction form
    1,562,312.10/2,338,219.35 = 1,089,920.10/x
  3. Step 3: Cross multiply
    1,562,312.10x = 2,338,219.35 × 1,089,920.10
  4. Step 4: Simplify right side
    1,562,312.10x = 2,548,472,267,773.94
  5. Step 5: Solve for x
    x = 2,548,472,267,773.94/1,562,312.10
  6. Step 6: Final answer
    x = 1,631,218.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.