Finding the Fourth Proportional to 4,038,189.12, 5,572,718.44 and 2,202,686.87
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Solution
The fourth proportional to 4,038,189.12, 5,572,718.44 and 2,202,686.87 is: 3,039,717.40
Step by Step Solution
- Step 1: Write the proportion equation
4,038,189.12 : 5,572,718.44 = 2,202,686.87 : x - Step 2: Convert to fraction form
4,038,189.12/5,572,718.44 = 2,202,686.87/x - Step 3: Cross multiply
4,038,189.12x = 5,572,718.44 × 2,202,686.87 - Step 4: Simplify right side
4,038,189.12x = 12,274,953,737,994.88 - Step 5: Solve for x
x = 12,274,953,737,994.88/4,038,189.12 - Step 6: Final answer
x = 3,039,717.40
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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.