Home / 4,280,547.74-6,421,809.82-1,440,590.54

Finding the Fourth Proportional to 4,280,547.74, 6,421,809.82 and 1,440,590.54

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Solution

The fourth proportional to 4,280,547.74, 6,421,809.82 and 1,440,590.54 is: 2,161,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,547.74 : 6,421,809.82 = 1,440,590.54 : x
  2. Step 2: Convert to fraction form
    4,280,547.74/6,421,809.82 = 1,440,590.54/x
  3. Step 3: Cross multiply
    4,280,547.74x = 6,421,809.82 × 1,440,590.54
  4. Step 4: Simplify right side
    4,280,547.74x = 9,251,198,476,371.10
  5. Step 5: Solve for x
    x = 9,251,198,476,371.10/4,280,547.74
  6. Step 6: Final answer
    x = 2,161,218.39

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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.