Finding the Fourth Proportional to 4,142,368.77, 5,716,309.47 and 2,306,904.42
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Solution
The fourth proportional to 4,142,368.77, 5,716,309.47 and 2,306,904.42 is: 3,183,439.31
Step by Step Solution
- Step 1: Write the proportion equation
4,142,368.77 : 5,716,309.47 = 2,306,904.42 : x - Step 2: Convert to fraction form
4,142,368.77/5,716,309.47 = 2,306,904.42/x - Step 3: Cross multiply
4,142,368.77x = 5,716,309.47 × 2,306,904.42 - Step 4: Simplify right side
4,142,368.77x = 13,186,979,582,430.86 - Step 5: Solve for x
x = 13,186,979,582,430.86/4,142,368.77 - Step 6: Final answer
x = 3,183,439.31
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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.