Finding the Fourth Proportional to 2,928,270.79, 4,392,276.77 and 798,355.14
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Solution
The fourth proportional to 2,928,270.79, 4,392,276.77 and 798,355.14 is: 1,197,497.42
Step by Step Solution
- Step 1: Write the proportion equation
2,928,270.79 : 4,392,276.77 = 798,355.14 : x - Step 2: Convert to fraction form
2,928,270.79/4,392,276.77 = 798,355.14/x - Step 3: Cross multiply
2,928,270.79x = 4,392,276.77 × 798,355.14 - Step 4: Simplify right side
2,928,270.79x = 3,506,596,721,156.95 - Step 5: Solve for x
x = 3,506,596,721,156.95/2,928,270.79 - Step 6: Final answer
x = 1,197,497.42
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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.