Home / 2,153,368.60-2,971,858.07-1,608,558.53

Finding the Fourth Proportional to 2,153,368.60, 2,971,858.07 and 1,608,558.53

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Solution

The fourth proportional to 2,153,368.60, 2,971,858.07 and 1,608,558.53 is: 2,219,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,368.60 : 2,971,858.07 = 1,608,558.53 : x
  2. Step 2: Convert to fraction form
    2,153,368.60/2,971,858.07 = 1,608,558.53/x
  3. Step 3: Cross multiply
    2,153,368.60x = 2,971,858.07 × 1,608,558.53
  4. Step 4: Simplify right side
    2,153,368.60x = 4,780,407,654,326.64
  5. Step 5: Solve for x
    x = 4,780,407,654,326.64/2,153,368.60
  6. Step 6: Final answer
    x = 2,219,967.20

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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.