Home / 5,361,012.81-7,398,254.88-2,913,624

Finding the Fourth Proportional to 5,361,012.81, 7,398,254.88 and 2,913,624

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Solution

The fourth proportional to 5,361,012.81, 7,398,254.88 and 2,913,624 is: 4,020,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,012.81 : 7,398,254.88 = 2,913,624 : x
  2. Step 2: Convert to fraction form
    5,361,012.81/7,398,254.88 = 2,913,624/x
  3. Step 3: Cross multiply
    5,361,012.81x = 7,398,254.88 × 2,913,624
  4. Step 4: Simplify right side
    5,361,012.81x = 21,555,732,976,485.12
  5. Step 5: Solve for x
    x = 21,555,732,976,485.12/5,361,012.81
  6. Step 6: Final answer
    x = 4,020,832.21

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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.