Finding the Fourth Proportional to 5,221,423.58, 7,832,124.58 and 2,945,915
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Solution
The fourth proportional to 5,221,423.58, 7,832,124.58 and 2,945,915 is: 4,418,866.41
Step by Step Solution
- Step 1: Write the proportion equation
5,221,423.58 : 7,832,124.58 = 2,945,915 : x - Step 2: Convert to fraction form
5,221,423.58/7,832,124.58 = 2,945,915/x - Step 3: Cross multiply
5,221,423.58x = 7,832,124.58 × 2,945,915 - Step 4: Simplify right side
5,221,423.58x = 23,072,773,282,090.70 - Step 5: Solve for x
x = 23,072,773,282,090.70/5,221,423.58 - Step 6: Final answer
x = 4,418,866.41
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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.