Finding the Fourth Proportional to 4,747,621.63, 6,551,708.99 and 2,572,218.85
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Solution
The fourth proportional to 4,747,621.63, 6,551,708.99 and 2,572,218.85 is: 3,549,657.21
Step by Step Solution
- Step 1: Write the proportion equation
4,747,621.63 : 6,551,708.99 = 2,572,218.85 : x - Step 2: Convert to fraction form
4,747,621.63/6,551,708.99 = 2,572,218.85/x - Step 3: Cross multiply
4,747,621.63x = 6,551,708.99 × 2,572,218.85 - Step 4: Simplify right side
4,747,621.63x = 16,852,429,350,931.37 - Step 5: Solve for x
x = 16,852,429,350,931.37/4,747,621.63 - Step 6: Final answer
x = 3,549,657.21
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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.