Finding the Fourth Proportional to 4,831,888.08, 7,247,833.56 and 1,420,175.28
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Solution
The fourth proportional to 4,831,888.08, 7,247,833.56 and 1,420,175.28 is: 2,130,263.34
Step by Step Solution
- Step 1: Write the proportion equation
4,831,888.08 : 7,247,833.56 = 1,420,175.28 : x - Step 2: Convert to fraction form
4,831,888.08/7,247,833.56 = 1,420,175.28/x - Step 3: Cross multiply
4,831,888.08x = 7,247,833.56 × 1,420,175.28 - Step 4: Simplify right side
4,831,888.08x = 10,293,194,055,466.40 - Step 5: Solve for x
x = 10,293,194,055,466.40/4,831,888.08 - Step 6: Final answer
x = 2,130,263.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.