Finding the Fourth Proportional to 2,778,743.80, 4,168,115.70 and 1,095,628.60
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Solution
The fourth proportional to 2,778,743.80, 4,168,115.70 and 1,095,628.60 is: 1,643,442.90
Step by Step Solution
- Step 1: Write the proportion equation
2,778,743.80 : 4,168,115.70 = 1,095,628.60 : x - Step 2: Convert to fraction form
2,778,743.80/4,168,115.70 = 1,095,628.60/x - Step 3: Cross multiply
2,778,743.80x = 4,168,115.70 × 1,095,628.60 - Step 4: Simplify right side
2,778,743.80x = 4,566,706,769,029.02 - Step 5: Solve for x
x = 4,566,706,769,029.02/2,778,743.80 - Step 6: Final answer
x = 1,643,442.90
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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.