Finding the Fourth Proportional to 2,939,555.47, 4,409,331.57 and 917,972.63
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Solution
The fourth proportional to 2,939,555.47, 4,409,331.57 and 917,972.63 is: 1,376,958.43
Step by Step Solution
- Step 1: Write the proportion equation
2,939,555.47 : 4,409,331.57 = 917,972.63 : x - Step 2: Convert to fraction form
2,939,555.47/4,409,331.57 = 917,972.63/x - Step 3: Cross multiply
2,939,555.47x = 4,409,331.57 × 917,972.63 - Step 4: Simplify right side
2,939,555.47x = 4,047,645,689,761.47 - Step 5: Solve for x
x = 4,047,645,689,761.47/2,939,555.47 - Step 6: Final answer
x = 1,376,958.43
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1.5x scale
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.