Home / 2,078,833.60-3,117,328.80-957,246.40

Finding the Fourth Proportional to 2,078,833.60, 3,117,328.80 and 957,246.40

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Solution

The fourth proportional to 2,078,833.60, 3,117,328.80 and 957,246.40 is: 1,435,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,833.60 : 3,117,328.80 = 957,246.40 : x
  2. Step 2: Convert to fraction form
    2,078,833.60/3,117,328.80 = 957,246.40/x
  3. Step 3: Cross multiply
    2,078,833.60x = 3,117,328.80 × 957,246.40
  4. Step 4: Simplify right side
    2,078,833.60x = 2,984,051,771,416.32
  5. Step 5: Solve for x
    x = 2,984,051,771,416.32/2,078,833.60
  6. Step 6: Final answer
    x = 1,435,445.23

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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.