Home / 2,742,457.60-4,113,686.40-1,325,281.60

Finding the Fourth Proportional to 2,742,457.60, 4,113,686.40 and 1,325,281.60

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Solution

The fourth proportional to 2,742,457.60, 4,113,686.40 and 1,325,281.60 is: 1,987,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,457.60 : 4,113,686.40 = 1,325,281.60 : x
  2. Step 2: Convert to fraction form
    2,742,457.60/4,113,686.40 = 1,325,281.60/x
  3. Step 3: Cross multiply
    2,742,457.60x = 4,113,686.40 × 1,325,281.60
  4. Step 4: Simplify right side
    2,742,457.60x = 5,451,792,894,090.24
  5. Step 5: Solve for x
    x = 5,451,792,894,090.24/2,742,457.60
  6. Step 6: Final answer
    x = 1,987,922.40

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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.