Home / 5,636,555.56-7,778,348.58-3,430,621

Finding the Fourth Proportional to 5,636,555.56, 7,778,348.58 and 3,430,621

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Solution

The fourth proportional to 5,636,555.56, 7,778,348.58 and 3,430,621 is: 4,734,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636,555.56 : 7,778,348.58 = 3,430,621 : x
  2. Step 2: Convert to fraction form
    5,636,555.56/7,778,348.58 = 3,430,621/x
  3. Step 3: Cross multiply
    5,636,555.56x = 7,778,348.58 × 3,430,621
  4. Step 4: Simplify right side
    5,636,555.56x = 26,684,565,983,868.18
  5. Step 5: Solve for x
    x = 26,684,565,983,868.18/5,636,555.56
  6. Step 6: Final answer
    x = 4,734,197.28

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1.5x scale

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.