Home / 1,824,478.64-2,517,362-1,089,289.68

Finding the Fourth Proportional to 1,824,478.64, 2,517,362 and 1,089,289.68

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Solution

The fourth proportional to 1,824,478.64, 2,517,362 and 1,089,289.68 is: 1,502,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,478.64 : 2,517,362 = 1,089,289.68 : x
  2. Step 2: Convert to fraction form
    1,824,478.64/2,517,362 = 1,089,289.68/x
  3. Step 3: Cross multiply
    1,824,478.64x = 2,517,362 × 1,089,289.68
  4. Step 4: Simplify right side
    1,824,478.64x = 2,742,136,447,424.16
  5. Step 5: Solve for x
    x = 2,742,136,447,424.16/1,824,478.64
  6. Step 6: Final answer
    x = 1,502,969.88

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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.