Home / 2,547,492.48-3,515,567.45-1,385,945.30

Finding the Fourth Proportional to 2,547,492.48, 3,515,567.45 and 1,385,945.30

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Solution

The fourth proportional to 2,547,492.48, 3,515,567.45 and 1,385,945.30 is: 1,912,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,492.48 : 3,515,567.45 = 1,385,945.30 : x
  2. Step 2: Convert to fraction form
    2,547,492.48/3,515,567.45 = 1,385,945.30/x
  3. Step 3: Cross multiply
    2,547,492.48x = 3,515,567.45 × 1,385,945.30
  4. Step 4: Simplify right side
    2,547,492.48x = 4,872,384,186,019.68
  5. Step 5: Solve for x
    x = 4,872,384,186,019.68/2,547,492.48
  6. Step 6: Final answer
    x = 1,912,619.65

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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.