Finding the Fourth Proportional to 2,438,521.79, 3,642,951.24 and 1,578,587.91
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Solution
The fourth proportional to 2,438,521.79, 3,642,951.24 and 1,578,587.91 is: 2,358,280.67
Step by Step Solution
- Step 1: Write the proportion equation
2,438,521.79 : 3,642,951.24 = 1,578,587.91 : x - Step 2: Convert to fraction form
2,438,521.79/3,642,951.24 = 1,578,587.91/x - Step 3: Cross multiply
2,438,521.79x = 3,642,951.24 × 1,578,587.91 - Step 4: Simplify right side
2,438,521.79x = 5,750,718,784,183.51 - Step 5: Solve for x
x = 5,750,718,784,183.51/2,438,521.79 - Step 6: Final answer
x = 2,358,280.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.