Finding the Fourth Proportional to 1,557,800.05, 2,336,700.08 and 717,992.05
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Solution
The fourth proportional to 1,557,800.05, 2,336,700.08 and 717,992.05 is: 1,076,988.08
Step by Step Solution
- Step 1: Write the proportion equation
1,557,800.05 : 2,336,700.08 = 717,992.05 : x - Step 2: Convert to fraction form
1,557,800.05/2,336,700.08 = 717,992.05/x - Step 3: Cross multiply
1,557,800.05x = 2,336,700.08 × 717,992.05 - Step 4: Simplify right side
1,557,800.05x = 1,677,732,080,674.36 - Step 5: Solve for x
x = 1,677,732,080,674.36/1,557,800.05 - Step 6: Final answer
x = 1,076,988.08
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1.5x scale
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.