Home / 1,684,948.50-2,325,228.93-921,005.10

Finding the Fourth Proportional to 1,684,948.50, 2,325,228.93 and 921,005.10

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Solution

The fourth proportional to 1,684,948.50, 2,325,228.93 and 921,005.10 is: 1,270,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,948.50 : 2,325,228.93 = 921,005.10 : x
  2. Step 2: Convert to fraction form
    1,684,948.50/2,325,228.93 = 921,005.10/x
  3. Step 3: Cross multiply
    1,684,948.50x = 2,325,228.93 × 921,005.10
  4. Step 4: Simplify right side
    1,684,948.50x = 2,141,547,703,197.54
  5. Step 5: Solve for x
    x = 2,141,547,703,197.54/1,684,948.50
  6. Step 6: Final answer
    x = 1,270,987.04

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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.