Home / 1,640,290.60-2,460,435.90-1,415,904.40

Finding the Fourth Proportional to 1,640,290.60, 2,460,435.90 and 1,415,904.40

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Solution

The fourth proportional to 1,640,290.60, 2,460,435.90 and 1,415,904.40 is: 2,123,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,290.60 : 2,460,435.90 = 1,415,904.40 : x
  2. Step 2: Convert to fraction form
    1,640,290.60/2,460,435.90 = 1,415,904.40/x
  3. Step 3: Cross multiply
    1,640,290.60x = 2,460,435.90 × 1,415,904.40
  4. Step 4: Simplify right side
    1,640,290.60x = 3,483,742,016,727.96
  5. Step 5: Solve for x
    x = 3,483,742,016,727.96/1,640,290.60
  6. Step 6: Final answer
    x = 2,123,856.60

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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.