Finding the Fourth Proportional to 5,298,423.36, 7,947,708 and 1,511,905.12
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Solution
The fourth proportional to 5,298,423.36, 7,947,708 and 1,511,905.12 is: 2,267,878.50
Step by Step Solution
- Step 1: Write the proportion equation
5,298,423.36 : 7,947,708 = 1,511,905.12 : x - Step 2: Convert to fraction form
5,298,423.36/7,947,708 = 1,511,905.12/x - Step 3: Cross multiply
5,298,423.36x = 7,947,708 × 1,511,905.12 - Step 4: Simplify right side
5,298,423.36x = 12,016,180,417,464.96 - Step 5: Solve for x
x = 12,016,180,417,464.96/5,298,423.36 - Step 6: Final answer
x = 2,267,878.50
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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.