Home / 2,185,495.69-3,016,021.20-1,205,547.16

Finding the Fourth Proportional to 2,185,495.69, 3,016,021.20 and 1,205,547.16

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Solution

The fourth proportional to 2,185,495.69, 3,016,021.20 and 1,205,547.16 is: 1,663,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,495.69 : 3,016,021.20 = 1,205,547.16 : x
  2. Step 2: Convert to fraction form
    2,185,495.69/3,016,021.20 = 1,205,547.16/x
  3. Step 3: Cross multiply
    2,185,495.69x = 3,016,021.20 × 1,205,547.16
  4. Step 4: Simplify right side
    2,185,495.69x = 3,635,955,792,159.79
  5. Step 5: Solve for x
    x = 3,635,955,792,159.79/2,185,495.69
  6. Step 6: Final answer
    x = 1,663,675.57

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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.