Finding the Fourth Proportional to 2,943,424.02, 4,063,035.33 and 1,720,128.18
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Solution
The fourth proportional to 2,943,424.02, 4,063,035.33 and 1,720,128.18 is: 2,374,425.68
Step by Step Solution
- Step 1: Write the proportion equation
2,943,424.02 : 4,063,035.33 = 1,720,128.18 : x - Step 2: Convert to fraction form
2,943,424.02/4,063,035.33 = 1,720,128.18/x - Step 3: Cross multiply
2,943,424.02x = 4,063,035.33 × 1,720,128.18 - Step 4: Simplify right side
2,943,424.02x = 6,988,941,567,468.60 - Step 5: Solve for x
x = 6,988,941,567,468.60/2,943,424.02 - Step 6: Final answer
x = 2,374,425.68
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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.