Home / 3,016,770-4,163,224.74-1,640,206.38

Finding the Fourth Proportional to 3,016,770, 4,163,224.74 and 1,640,206.38

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Solution

The fourth proportional to 3,016,770, 4,163,224.74 and 1,640,206.38 is: 2,263,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,770 : 4,163,224.74 = 1,640,206.38 : x
  2. Step 2: Convert to fraction form
    3,016,770/4,163,224.74 = 1,640,206.38/x
  3. Step 3: Cross multiply
    3,016,770x = 4,163,224.74 × 1,640,206.38
  4. Step 4: Simplify right side
    3,016,770x = 6,828,547,779,921.84
  5. Step 5: Solve for x
    x = 6,828,547,779,921.84/3,016,770
  6. Step 6: Final answer
    x = 2,263,529.46

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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.