Finding the Fourth Proportional to 5,285,309.28, 7,294,331.87 and 2,962,829.07
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Solution
The fourth proportional to 5,285,309.28, 7,294,331.87 and 2,962,829.07 is: 4,089,043.30
Step by Step Solution
- Step 1: Write the proportion equation
5,285,309.28 : 7,294,331.87 = 2,962,829.07 : x - Step 2: Convert to fraction form
5,285,309.28/7,294,331.87 = 2,962,829.07/x - Step 3: Cross multiply
5,285,309.28x = 7,294,331.87 × 2,962,829.07 - Step 4: Simplify right side
5,285,309.28x = 21,611,858,506,959.93 - Step 5: Solve for x
x = 21,611,858,506,959.93/5,285,309.28 - Step 6: Final answer
x = 4,089,043.30
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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.