Finding the Fourth Proportional to 5,006,442.34, 6,909,026.28 and 2,831,310.76
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Solution
The fourth proportional to 5,006,442.34, 6,909,026.28 and 2,831,310.76 is: 3,907,285.68
Step by Step Solution
- Step 1: Write the proportion equation
5,006,442.34 : 6,909,026.28 = 2,831,310.76 : x - Step 2: Convert to fraction form
5,006,442.34/6,909,026.28 = 2,831,310.76/x - Step 3: Cross multiply
5,006,442.34x = 6,909,026.28 × 2,831,310.76 - Step 4: Simplify right side
5,006,442.34x = 19,561,600,445,705.64 - Step 5: Solve for x
x = 19,561,600,445,705.64/5,006,442.34 - Step 6: Final answer
x = 3,907,285.68
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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.