Finding the Fourth Proportional to 5,445,844.34, 7,515,203.46 and 2,998,405.40
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Solution
The fourth proportional to 5,445,844.34, 7,515,203.46 and 2,998,405.40 is: 4,137,765.46
Step by Step Solution
- Step 1: Write the proportion equation
5,445,844.34 : 7,515,203.46 = 2,998,405.40 : x - Step 2: Convert to fraction form
5,445,844.34/7,515,203.46 = 2,998,405.40/x - Step 3: Cross multiply
5,445,844.34x = 7,515,203.46 × 2,998,405.40 - Step 4: Simplify right side
5,445,844.34x = 22,533,626,636,562.68 - Step 5: Solve for x
x = 22,533,626,636,562.68/5,445,844.34 - Step 6: Final answer
x = 4,137,765.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.