Finding the Fourth Proportional to 7,340,437.70, 11,010,656.56 and 1,949,077.70
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Solution
The fourth proportional to 7,340,437.70, 11,010,656.56 and 1,949,077.70 is: 2,923,616.55
Step by Step Solution
- Step 1: Write the proportion equation
7,340,437.70 : 11,010,656.56 = 1,949,077.70 : x - Step 2: Convert to fraction form
7,340,437.70/11,010,656.56 = 1,949,077.70/x - Step 3: Cross multiply
7,340,437.70x = 11,010,656.56 × 1,949,077.70 - Step 4: Simplify right side
7,340,437.70x = 21,460,625,163,454.71 - Step 5: Solve for x
x = 21,460,625,163,454.71/7,340,437.70 - Step 6: Final answer
x = 2,923,616.55
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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.