Finding the Fourth Proportional to 3,167,804.42, 4,371,656.16 and 1,791,354.08
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Solution
The fourth proportional to 3,167,804.42, 4,371,656.16 and 1,791,354.08 is: 2,472,117.30
Step by Step Solution
- Step 1: Write the proportion equation
3,167,804.42 : 4,371,656.16 = 1,791,354.08 : x - Step 2: Convert to fraction form
3,167,804.42/4,371,656.16 = 1,791,354.08/x - Step 3: Cross multiply
3,167,804.42x = 4,371,656.16 × 1,791,354.08 - Step 4: Simplify right side
3,167,804.42x = 7,831,184,098,573.13 - Step 5: Solve for x
x = 7,831,184,098,573.13/3,167,804.42 - Step 6: Final answer
x = 2,472,117.30
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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.