Finding the Fourth Proportional to 5,006,485.62, 6,909,085.98 and 2,831,354.01
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Solution
The fourth proportional to 5,006,485.62, 6,909,085.98 and 2,831,354.01 is: 3,907,345.35
Step by Step Solution
- Step 1: Write the proportion equation
5,006,485.62 : 6,909,085.98 = 2,831,354.01 : x - Step 2: Convert to fraction form
5,006,485.62/6,909,085.98 = 2,831,354.01/x - Step 3: Cross multiply
5,006,485.62x = 6,909,085.98 × 2,831,354.01 - Step 4: Simplify right side
5,006,485.62x = 19,562,068,294,907.78 - Step 5: Solve for x
x = 19,562,068,294,907.78/5,006,485.62 - Step 6: Final answer
x = 3,907,345.35
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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.