Home / 1,628,547.90-2,442,821.85-1,208,643.90

Finding the Fourth Proportional to 1,628,547.90, 2,442,821.85 and 1,208,643.90

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Solution

The fourth proportional to 1,628,547.90, 2,442,821.85 and 1,208,643.90 is: 1,812,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,547.90 : 2,442,821.85 = 1,208,643.90 : x
  2. Step 2: Convert to fraction form
    1,628,547.90/2,442,821.85 = 1,208,643.90/x
  3. Step 3: Cross multiply
    1,628,547.90x = 2,442,821.85 × 1,208,643.90
  4. Step 4: Simplify right side
    1,628,547.90x = 2,952,501,727,789.22
  5. Step 5: Solve for x
    x = 2,952,501,727,789.22/1,628,547.90
  6. Step 6: Final answer
    x = 1,812,965.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.