Finding the Fourth Proportional to 1,911,483.48, 2,865,618.18 and 1,278,465.24
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Solution
The fourth proportional to 1,911,483.48, 2,865,618.18 and 1,278,465.24 is: 1,916,623.02
Step by Step Solution
- Step 1: Write the proportion equation
1,911,483.48 : 2,865,618.18 = 1,278,465.24 : x - Step 2: Convert to fraction form
1,911,483.48/2,865,618.18 = 1,278,465.24/x - Step 3: Cross multiply
1,911,483.48x = 2,865,618.18 × 1,278,465.24 - Step 4: Simplify right side
1,911,483.48x = 3,663,593,234,242.06 - Step 5: Solve for x
x = 3,663,593,234,242.06/1,911,483.48 - Step 6: Final answer
x = 1,916,623.02
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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.