Home / 2,774,890.40-4,159,570.80-1,276,368.80

Finding the Fourth Proportional to 2,774,890.40, 4,159,570.80 and 1,276,368.80

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Solution

The fourth proportional to 2,774,890.40, 4,159,570.80 and 1,276,368.80 is: 1,913,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,890.40 : 4,159,570.80 = 1,276,368.80 : x
  2. Step 2: Convert to fraction form
    2,774,890.40/4,159,570.80 = 1,276,368.80/x
  3. Step 3: Cross multiply
    2,774,890.40x = 4,159,570.80 × 1,276,368.80
  4. Step 4: Simplify right side
    2,774,890.40x = 5,309,146,390,511.04
  5. Step 5: Solve for x
    x = 5,309,146,390,511.04/2,774,890.40
  6. Step 6: Final answer
    x = 1,913,281.47

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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.