Finding the Fourth Proportional to 5,495,535.92, 7,578,875.16 and 3,430,742.12
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Solution
The fourth proportional to 5,495,535.92, 7,578,875.16 and 3,430,742.12 is: 4,731,324.95
Step by Step Solution
- Step 1: Write the proportion equation
5,495,535.92 : 7,578,875.16 = 3,430,742.12 : x - Step 2: Convert to fraction form
5,495,535.92/7,578,875.16 = 3,430,742.12/x - Step 3: Cross multiply
5,495,535.92x = 7,578,875.16 × 3,430,742.12 - Step 4: Simplify right side
5,495,535.92x = 26,001,166,233,633.74 - Step 5: Solve for x
x = 26,001,166,233,633.74/5,495,535.92 - Step 6: Final answer
x = 4,731,324.95
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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.