Finding the Fourth Proportional to 2,800,497.70, 4,190,248.95 and 1,855,713.70
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Solution
The fourth proportional to 2,800,497.70, 4,190,248.95 and 1,855,713.70 is: 2,776,614.45
Step by Step Solution
- Step 1: Write the proportion equation
2,800,497.70 : 4,190,248.95 = 1,855,713.70 : x - Step 2: Convert to fraction form
2,800,497.70/4,190,248.95 = 1,855,713.70/x - Step 3: Cross multiply
2,800,497.70x = 4,190,248.95 × 1,855,713.70 - Step 4: Simplify right side
2,800,497.70x = 7,775,902,382,925.62 - Step 5: Solve for x
x = 7,775,902,382,925.62/2,800,497.70 - Step 6: Final answer
x = 2,776,614.45
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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.