Finding the Fourth Proportional to 2,553,420.08, 3,523,718.88 and 1,407,519.56
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Solution
The fourth proportional to 2,553,420.08, 3,523,718.88 and 1,407,519.56 is: 1,942,376.54
Step by Step Solution
- Step 1: Write the proportion equation
2,553,420.08 : 3,523,718.88 = 1,407,519.56 : x - Step 2: Convert to fraction form
2,553,420.08/3,523,718.88 = 1,407,519.56/x - Step 3: Cross multiply
2,553,420.08x = 3,523,718.88 × 1,407,519.56 - Step 4: Simplify right side
2,553,420.08x = 4,959,703,247,541.29 - Step 5: Solve for x
x = 4,959,703,247,541.29/2,553,420.08 - Step 6: Final answer
x = 1,942,376.54
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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.