Home / 4,157,115.40-6,236,547.90-1,317,514.60

Finding the Fourth Proportional to 4,157,115.40, 6,236,547.90 and 1,317,514.60

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Solution

The fourth proportional to 4,157,115.40, 6,236,547.90 and 1,317,514.60 is: 1,976,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157,115.40 : 6,236,547.90 = 1,317,514.60 : x
  2. Step 2: Convert to fraction form
    4,157,115.40/6,236,547.90 = 1,317,514.60/x
  3. Step 3: Cross multiply
    4,157,115.40x = 6,236,547.90 × 1,317,514.60
  4. Step 4: Simplify right side
    4,157,115.40x = 8,216,742,911,849.34
  5. Step 5: Solve for x
    x = 8,216,742,911,849.34/4,157,115.40
  6. Step 6: Final answer
    x = 1,976,549.15

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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.