Finding the Fourth Proportional to 3,487,149.95, 4,812,271.16 and 1,959,256.19
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Solution
The fourth proportional to 3,487,149.95, 4,812,271.16 and 1,959,256.19 is: 2,703,775.92
Step by Step Solution
- Step 1: Write the proportion equation
3,487,149.95 : 4,812,271.16 = 1,959,256.19 : x - Step 2: Convert to fraction form
3,487,149.95/4,812,271.16 = 1,959,256.19/x - Step 3: Cross multiply
3,487,149.95x = 4,812,271.16 × 1,959,256.19 - Step 4: Simplify right side
3,487,149.95x = 9,428,472,058,188.48 - Step 5: Solve for x
x = 9,428,472,058,188.48/3,487,149.95 - Step 6: Final answer
x = 2,703,775.92
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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.