Home / 3,639,039.12-5,018,683.59-2,913,622.16

Finding the Fourth Proportional to 3,639,039.12, 5,018,683.59 and 2,913,622.16

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Solution

The fourth proportional to 3,639,039.12, 5,018,683.59 and 2,913,622.16 is: 4,018,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,039.12 : 5,018,683.59 = 2,913,622.16 : x
  2. Step 2: Convert to fraction form
    3,639,039.12/5,018,683.59 = 2,913,622.16/x
  3. Step 3: Cross multiply
    3,639,039.12x = 5,018,683.59 × 2,913,622.16
  4. Step 4: Simplify right side
    3,639,039.12x = 14,622,547,696,758.94
  5. Step 5: Solve for x
    x = 14,622,547,696,758.94/3,639,039.12
  6. Step 6: Final answer
    x = 4,018,244.16

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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.