Finding the Fourth Proportional to 4,223,430.51, 6,335,145.64 and 1,948,281.82
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Solution
The fourth proportional to 4,223,430.51, 6,335,145.64 and 1,948,281.82 is: 2,922,422.67
Step by Step Solution
- Step 1: Write the proportion equation
4,223,430.51 : 6,335,145.64 = 1,948,281.82 : x - Step 2: Convert to fraction form
4,223,430.51/6,335,145.64 = 1,948,281.82/x - Step 3: Cross multiply
4,223,430.51x = 6,335,145.64 × 1,948,281.82 - Step 4: Simplify right side
4,223,430.51x = 12,342,649,045,788.54 - Step 5: Solve for x
x = 12,342,649,045,788.54/4,223,430.51 - Step 6: Final answer
x = 2,922,422.67
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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.