Finding the Fourth Proportional to 5,488,579.05, 8,232,886.65 and 1,389,897.92
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Solution
The fourth proportional to 5,488,579.05, 8,232,886.65 and 1,389,897.92 is: 2,084,851.45
Step by Step Solution
- Step 1: Write the proportion equation
5,488,579.05 : 8,232,886.65 = 1,389,897.92 : x - Step 2: Convert to fraction form
5,488,579.05/8,232,886.65 = 1,389,897.92/x - Step 3: Cross multiply
5,488,579.05x = 8,232,886.65 × 1,389,897.92 - Step 4: Simplify right side
5,488,579.05x = 11,442,871,989,266.34 - Step 5: Solve for x
x = 11,442,871,989,266.34/5,488,579.05 - Step 6: Final answer
x = 2,084,851.45
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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.