Finding the Fourth Proportional to 6,335,574.90, 8,743,277.76 and 3,582,203.18
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Solution
The fourth proportional to 6,335,574.90, 8,743,277.76 and 3,582,203.18 is: 4,943,544.65
Step by Step Solution
- Step 1: Write the proportion equation
6,335,574.90 : 8,743,277.76 = 3,582,203.18 : x - Step 2: Convert to fraction form
6,335,574.90/8,743,277.76 = 3,582,203.18/x - Step 3: Cross multiply
6,335,574.90x = 8,743,277.76 × 3,582,203.18 - Step 4: Simplify right side
6,335,574.90x = 31,320,197,395,495.28 - Step 5: Solve for x
x = 31,320,197,395,495.28/6,335,574.90 - Step 6: Final answer
x = 4,943,544.65
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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.