Finding the Fourth Proportional to 5,736,403.95, 7,916,809.30 and 4,283,577.12
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Solution
The fourth proportional to 5,736,403.95, 7,916,809.30 and 4,283,577.12 is: 5,911,763.45
Step by Step Solution
- Step 1: Write the proportion equation
5,736,403.95 : 7,916,809.30 = 4,283,577.12 : x - Step 2: Convert to fraction form
5,736,403.95/7,916,809.30 = 4,283,577.12/x - Step 3: Cross multiply
5,736,403.95x = 7,916,809.30 × 4,283,577.12 - Step 4: Simplify right side
5,736,403.95x = 33,912,263,180,883.21 - Step 5: Solve for x
x = 33,912,263,180,883.21/5,736,403.95 - Step 6: Final answer
x = 5,911,763.45
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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.