Finding the Fourth Proportional to 4,921,350.99, 6,791,626.58 and 2,856,210.63
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Solution
The fourth proportional to 4,921,350.99, 6,791,626.58 and 2,856,210.63 is: 3,941,664.81
Step by Step Solution
- Step 1: Write the proportion equation
4,921,350.99 : 6,791,626.58 = 2,856,210.63 : x - Step 2: Convert to fraction form
4,921,350.99/6,791,626.58 = 2,856,210.63/x - Step 3: Cross multiply
4,921,350.99x = 6,791,626.58 × 2,856,210.63 - Step 4: Simplify right side
4,921,350.99x = 19,398,316,018,505.49 - Step 5: Solve for x
x = 19,398,316,018,505.49/4,921,350.99 - Step 6: Final answer
x = 3,941,664.81
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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.