Home / 2,931,890.93-4,046,006.77-1,642,740.54

Finding the Fourth Proportional to 2,931,890.93, 4,046,006.77 and 1,642,740.54

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Solution

The fourth proportional to 2,931,890.93, 4,046,006.77 and 1,642,740.54 is: 2,266,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,890.93 : 4,046,006.77 = 1,642,740.54 : x
  2. Step 2: Convert to fraction form
    2,931,890.93/4,046,006.77 = 1,642,740.54/x
  3. Step 3: Cross multiply
    2,931,890.93x = 4,046,006.77 × 1,642,740.54
  4. Step 4: Simplify right side
    2,931,890.93x = 6,646,539,326,914.08
  5. Step 5: Solve for x
    x = 6,646,539,326,914.08/2,931,890.93
  6. Step 6: Final answer
    x = 2,266,980.42

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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.