Finding the Fourth Proportional to 5,148,206.64, 7,104,505.55 and 2,825,137.58
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Solution
The fourth proportional to 5,148,206.64, 7,104,505.55 and 2,825,137.58 is: 3,898,679.09
Step by Step Solution
- Step 1: Write the proportion equation
5,148,206.64 : 7,104,505.55 = 2,825,137.58 : x - Step 2: Convert to fraction form
5,148,206.64/7,104,505.55 = 2,825,137.58/x - Step 3: Cross multiply
5,148,206.64x = 7,104,505.55 × 2,825,137.58 - Step 4: Simplify right side
5,148,206.64x = 20,071,205,566,975.36 - Step 5: Solve for x
x = 20,071,205,566,975.36/5,148,206.64 - Step 6: Final answer
x = 3,898,679.09
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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.