Finding the Fourth Proportional to 6,267,278.75, 8,648,975.90 and 3,551,024.75
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Solution
The fourth proportional to 6,267,278.75, 8,648,975.90 and 3,551,024.75 is: 4,900,488.51
Step by Step Solution
- Step 1: Write the proportion equation
6,267,278.75 : 8,648,975.90 = 3,551,024.75 : x - Step 2: Convert to fraction form
6,267,278.75/8,648,975.90 = 3,551,024.75/x - Step 3: Cross multiply
6,267,278.75x = 8,648,975.90 × 3,551,024.75 - Step 4: Simplify right side
6,267,278.75x = 30,712,727,483,053.53 - Step 5: Solve for x
x = 30,712,727,483,053.53/6,267,278.75 - Step 6: Final answer
x = 4,900,488.51
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1.5x scale
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.