Finding the Fourth Proportional to 1,531,133.64, 2,113,057.60 and 852,070.12
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Solution
The fourth proportional to 1,531,133.64, 2,113,057.60 and 852,070.12 is: 1,175,908.62
Step by Step Solution
- Step 1: Write the proportion equation
1,531,133.64 : 2,113,057.60 = 852,070.12 : x - Step 2: Convert to fraction form
1,531,133.64/2,113,057.60 = 852,070.12/x - Step 3: Cross multiply
1,531,133.64x = 2,113,057.60 × 852,070.12 - Step 4: Simplify right side
1,531,133.64x = 1,800,473,242,798.91 - Step 5: Solve for x
x = 1,800,473,242,798.91/1,531,133.64 - Step 6: Final answer
x = 1,175,908.62
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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.