Finding the Fourth Proportional to 6,108,756.98, 8,430,230.18 and 3,355,502.08
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Solution
The fourth proportional to 6,108,756.98, 8,430,230.18 and 3,355,502.08 is: 4,630,672.81
Step by Step Solution
- Step 1: Write the proportion equation
6,108,756.98 : 8,430,230.18 = 3,355,502.08 : x - Step 2: Convert to fraction form
6,108,756.98/8,430,230.18 = 3,355,502.08/x - Step 3: Cross multiply
6,108,756.98x = 8,430,230.18 × 3,355,502.08 - Step 4: Simplify right side
6,108,756.98x = 28,287,654,866,015.69 - Step 5: Solve for x
x = 28,287,654,866,015.69/6,108,756.98 - Step 6: Final answer
x = 4,630,672.81
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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.