Finding the Fourth Proportional to 1,577,090.16, 2,176,382.40 and 851,937.60
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Solution
The fourth proportional to 1,577,090.16, 2,176,382.40 and 851,937.60 is: 1,175,672.80
Step by Step Solution
- Step 1: Write the proportion equation
1,577,090.16 : 2,176,382.40 = 851,937.60 : x - Step 2: Convert to fraction form
1,577,090.16/2,176,382.40 = 851,937.60/x - Step 3: Cross multiply
1,577,090.16x = 2,176,382.40 × 851,937.60 - Step 4: Simplify right side
1,577,090.16x = 1,854,141,998,538.24 - Step 5: Solve for x
x = 1,854,141,998,538.24/1,577,090.16 - Step 6: Final answer
x = 1,175,672.80
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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.