Home / 4,020,085.70-5,547,931-2,278,092.78

Finding the Fourth Proportional to 4,020,085.70, 5,547,931 and 2,278,092.78

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Solution

The fourth proportional to 4,020,085.70, 5,547,931 and 2,278,092.78 is: 3,143,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,085.70 : 5,547,931 = 2,278,092.78 : x
  2. Step 2: Convert to fraction form
    4,020,085.70/5,547,931 = 2,278,092.78/x
  3. Step 3: Cross multiply
    4,020,085.70x = 5,547,931 × 2,278,092.78
  4. Step 4: Simplify right side
    4,020,085.70x = 12,638,701,555,038.18
  5. Step 5: Solve for x
    x = 12,638,701,555,038.18/4,020,085.70
  6. Step 6: Final answer
    x = 3,143,888.59

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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.