Finding the Fourth Proportional to 2,679,888.48, 3,698,269.46 and 1,456,193.99
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Solution
The fourth proportional to 2,679,888.48, 3,698,269.46 and 1,456,193.99 is: 2,009,560.39
Step by Step Solution
- Step 1: Write the proportion equation
2,679,888.48 : 3,698,269.46 = 1,456,193.99 : x - Step 2: Convert to fraction form
2,679,888.48/3,698,269.46 = 1,456,193.99/x - Step 3: Cross multiply
2,679,888.48x = 3,698,269.46 × 1,456,193.99 - Step 4: Simplify right side
2,679,888.48x = 5,385,397,735,280.23 - Step 5: Solve for x
x = 5,385,397,735,280.23/2,679,888.48 - Step 6: Final answer
x = 2,009,560.39
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1.5x scale
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.