Finding the Fourth Proportional to 4,720,429.76, 6,514,133.28 and 2,683,106.24
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Solution
The fourth proportional to 4,720,429.76, 6,514,133.28 and 2,683,106.24 is: 3,702,652.63
Step by Step Solution
- Step 1: Write the proportion equation
4,720,429.76 : 6,514,133.28 = 2,683,106.24 : x - Step 2: Convert to fraction form
4,720,429.76/6,514,133.28 = 2,683,106.24/x - Step 3: Cross multiply
4,720,429.76x = 6,514,133.28 × 2,683,106.24 - Step 4: Simplify right side
4,720,429.76x = 17,478,111,651,759.67 - Step 5: Solve for x
x = 17,478,111,651,759.67/4,720,429.76 - Step 6: Final answer
x = 3,702,652.63
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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.