Finding the Fourth Proportional to 5,613,541.28, 8,421,350.74 and 1,776,328.28
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Solution
The fourth proportional to 5,613,541.28, 8,421,350.74 and 1,776,328.28 is: 2,664,821.14
Step by Step Solution
- Step 1: Write the proportion equation
5,613,541.28 : 8,421,350.74 = 1,776,328.28 : x - Step 2: Convert to fraction form
5,613,541.28/8,421,350.74 = 1,776,328.28/x - Step 3: Cross multiply
5,613,541.28x = 8,421,350.74 × 1,776,328.28 - Step 4: Simplify right side
5,613,541.28x = 14,959,083,475,260.93 - Step 5: Solve for x
x = 14,959,083,475,260.93/5,613,541.28 - Step 6: Final answer
x = 2,664,821.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.