Finding the Fourth Proportional to 5,558,695.16, 7,670,643.35 and 3,110,892.98
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Solution
The fourth proportional to 5,558,695.16, 7,670,643.35 and 3,110,892.98 is: 4,292,833.09
Step by Step Solution
- Step 1: Write the proportion equation
5,558,695.16 : 7,670,643.35 = 3,110,892.98 : x - Step 2: Convert to fraction form
5,558,695.16/7,670,643.35 = 3,110,892.98/x - Step 3: Cross multiply
5,558,695.16x = 7,670,643.35 × 3,110,892.98 - Step 4: Simplify right side
5,558,695.16x = 23,862,550,495,691 - Step 5: Solve for x
x = 23,862,550,495,691/5,558,695.16 - Step 6: Final answer
x = 4,292,833.09
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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.