Home / 3,430,386-5,145,579-1,435,842

Finding the Fourth Proportional to 3,430,386, 5,145,579 and 1,435,842

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Solution

The fourth proportional to 3,430,386, 5,145,579 and 1,435,842 is: 2,153,763

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,386 : 5,145,579 = 1,435,842 : x
  2. Step 2: Convert to fraction form
    3,430,386/5,145,579 = 1,435,842/x
  3. Step 3: Cross multiply
    3,430,386x = 5,145,579 × 1,435,842
  4. Step 4: Simplify right side
    3,430,386x = 7,388,238,442,518
  5. Step 5: Solve for x
    x = 7,388,238,442,518/3,430,386
  6. Step 6: Final answer
    x = 2,153,763

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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.