Home / 3,013,326.11-4,158,420.57-1,636,683.12

Finding the Fourth Proportional to 3,013,326.11, 4,158,420.57 and 1,636,683.12

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Solution

The fourth proportional to 3,013,326.11, 4,158,420.57 and 1,636,683.12 is: 2,258,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,326.11 : 4,158,420.57 = 1,636,683.12 : x
  2. Step 2: Convert to fraction form
    3,013,326.11/4,158,420.57 = 1,636,683.12/x
  3. Step 3: Cross multiply
    3,013,326.11x = 4,158,420.57 × 1,636,683.12
  4. Step 4: Simplify right side
    3,013,326.11x = 6,806,016,752,779.78
  5. Step 5: Solve for x
    x = 6,806,016,752,779.78/3,013,326.11
  6. Step 6: Final answer
    x = 2,258,639.30

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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.