Finding the Fourth Proportional to 1,586,580.42, 2,191,283.68 and 1,069,442.40
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Solution
The fourth proportional to 1,586,580.42, 2,191,283.68 and 1,069,442.40 is: 1,477,045.63
Step by Step Solution
- Step 1: Write the proportion equation
1,586,580.42 : 2,191,283.68 = 1,069,442.40 : x - Step 2: Convert to fraction form
1,586,580.42/2,191,283.68 = 1,069,442.40/x - Step 3: Cross multiply
1,586,580.42x = 2,191,283.68 × 1,069,442.40 - Step 4: Simplify right side
1,586,580.42x = 2,343,451,677,820.03 - Step 5: Solve for x
x = 2,343,451,677,820.03/1,586,580.42 - Step 6: Final answer
x = 1,477,045.63
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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.