Finding the Fourth Proportional to 1,558,657.99, 2,152,433.59 and 1,473,742.79
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Solution
The fourth proportional to 1,558,657.99, 2,152,433.59 and 1,473,742.79 is: 2,035,169.68
Step by Step Solution
- Step 1: Write the proportion equation
1,558,657.99 : 2,152,433.59 = 1,473,742.79 : x - Step 2: Convert to fraction form
1,558,657.99/2,152,433.59 = 1,473,742.79/x - Step 3: Cross multiply
1,558,657.99x = 2,152,433.59 × 1,473,742.79 - Step 4: Simplify right side
1,558,657.99x = 3,172,133,477,841.42 - Step 5: Solve for x
x = 3,172,133,477,841.42/1,558,657.99 - Step 6: Final answer
x = 2,035,169.68
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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.