Home / 3,195,368.16-4,409,638.10-1,818,644.38

Finding the Fourth Proportional to 3,195,368.16, 4,409,638.10 and 1,818,644.38

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Solution

The fourth proportional to 3,195,368.16, 4,409,638.10 and 1,818,644.38 is: 2,509,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,368.16 : 4,409,638.10 = 1,818,644.38 : x
  2. Step 2: Convert to fraction form
    3,195,368.16/4,409,638.10 = 1,818,644.38/x
  3. Step 3: Cross multiply
    3,195,368.16x = 4,409,638.10 × 1,818,644.38
  4. Step 4: Simplify right side
    3,195,368.16x = 8,019,563,548,398.88
  5. Step 5: Solve for x
    x = 8,019,563,548,398.88/3,195,368.16
  6. Step 6: Final answer
    x = 2,509,746.34

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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.