Finding the Fourth Proportional to 6,415,403.88, 8,853,264.18 and 3,475,227.81
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Solution
The fourth proportional to 6,415,403.88, 8,853,264.18 and 3,475,227.81 is: 4,795,818.08
Step by Step Solution
- Step 1: Write the proportion equation
6,415,403.88 : 8,853,264.18 = 3,475,227.81 : x - Step 2: Convert to fraction form
6,415,403.88/8,853,264.18 = 3,475,227.81/x - Step 3: Cross multiply
6,415,403.88x = 8,853,264.18 × 3,475,227.81 - Step 4: Simplify right side
6,415,403.88x = 30,767,109,887,612.84 - Step 5: Solve for x
x = 30,767,109,887,612.84/6,415,403.88 - Step 6: Final answer
x = 4,795,818.08
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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.