Home / 1,571,970.45-2,358,539.53-1,091,945.32

Finding the Fourth Proportional to 1,571,970.45, 2,358,539.53 and 1,091,945.32

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Solution

The fourth proportional to 1,571,970.45, 2,358,539.53 and 1,091,945.32 is: 1,638,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,970.45 : 2,358,539.53 = 1,091,945.32 : x
  2. Step 2: Convert to fraction form
    1,571,970.45/2,358,539.53 = 1,091,945.32/x
  3. Step 3: Cross multiply
    1,571,970.45x = 2,358,539.53 × 1,091,945.32
  4. Step 4: Simplify right side
    1,571,970.45x = 2,575,396,201,818.50
  5. Step 5: Solve for x
    x = 2,575,396,201,818.50/1,571,970.45
  6. Step 6: Final answer
    x = 1,638,323.55

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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.