Home / 2,326,678.65-3,490,095.74-643,641.21

Finding the Fourth Proportional to 2,326,678.65, 3,490,095.74 and 643,641.21

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Solution

The fourth proportional to 2,326,678.65, 3,490,095.74 and 643,641.21 is: 965,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326,678.65 : 3,490,095.74 = 643,641.21 : x
  2. Step 2: Convert to fraction form
    2,326,678.65/3,490,095.74 = 643,641.21/x
  3. Step 3: Cross multiply
    2,326,678.65x = 3,490,095.74 × 643,641.21
  4. Step 4: Simplify right side
    2,326,678.65x = 2,246,369,445,109.45
  5. Step 5: Solve for x
    x = 2,246,369,445,109.45/2,326,678.65
  6. Step 6: Final answer
    x = 965,483.33

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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.