Finding the Fourth Proportional to 1,971,159.70, 2,956,739.55 and 1,771,705.30
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Solution
The fourth proportional to 1,971,159.70, 2,956,739.55 and 1,771,705.30 is: 2,657,557.95
Step by Step Solution
- Step 1: Write the proportion equation
1,971,159.70 : 2,956,739.55 = 1,771,705.30 : x - Step 2: Convert to fraction form
1,971,159.70/2,956,739.55 = 1,771,705.30/x - Step 3: Cross multiply
1,971,159.70x = 2,956,739.55 × 1,771,705.30 - Step 4: Simplify right side
1,971,159.70x = 5,238,471,131,454.62 - Step 5: Solve for x
x = 5,238,471,131,454.62/1,971,159.70 - Step 6: Final answer
x = 2,657,557.95
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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.