Finding the Fourth Proportional to 4,208,392.92, 6,312,777.54 and 1,290,275.84
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Solution
The fourth proportional to 4,208,392.92, 6,312,777.54 and 1,290,275.84 is: 1,935,471.45
Step by Step Solution
- Step 1: Write the proportion equation
4,208,392.92 : 6,312,777.54 = 1,290,275.84 : x - Step 2: Convert to fraction form
4,208,392.92/6,312,777.54 = 1,290,275.84/x - Step 3: Cross multiply
4,208,392.92x = 6,312,777.54 × 1,290,275.84 - Step 4: Simplify right side
4,208,392.92x = 8,145,224,343,156.63 - Step 5: Solve for x
x = 8,145,224,343,156.63/4,208,392.92 - Step 6: Final answer
x = 1,935,471.45
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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.