Finding the Fourth Proportional to 1,625,486.45, 2,241,623.42 and 972,006.05
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Solution
The fourth proportional to 1,625,486.45, 2,241,623.42 and 972,006.05 is: 1,340,442.75
Step by Step Solution
- Step 1: Write the proportion equation
1,625,486.45 : 2,241,623.42 = 972,006.05 : x - Step 2: Convert to fraction form
1,625,486.45/2,241,623.42 = 972,006.05/x - Step 3: Cross multiply
1,625,486.45x = 2,241,623.42 × 972,006.05 - Step 4: Simplify right side
1,625,486.45x = 2,178,871,526,805.72 - Step 5: Solve for x
x = 2,178,871,526,805.72/1,625,486.45 - Step 6: Final answer
x = 1,340,442.75
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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.