Home / 2,925,918.72-4,038,102.72-1,637,085.60

Finding the Fourth Proportional to 2,925,918.72, 4,038,102.72 and 1,637,085.60

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Solution

The fourth proportional to 2,925,918.72, 4,038,102.72 and 1,637,085.60 is: 2,259,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,918.72 : 4,038,102.72 = 1,637,085.60 : x
  2. Step 2: Convert to fraction form
    2,925,918.72/4,038,102.72 = 1,637,085.60/x
  3. Step 3: Cross multiply
    2,925,918.72x = 4,038,102.72 × 1,637,085.60
  4. Step 4: Simplify right side
    2,925,918.72x = 6,610,719,814,232.83
  5. Step 5: Solve for x
    x = 6,610,719,814,232.83/2,925,918.72
  6. Step 6: Final answer
    x = 2,259,365.50

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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.