Finding the Fourth Proportional to 2,588,781.21, 3,572,364.37 and 1,485,957.84
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Solution
The fourth proportional to 2,588,781.21, 3,572,364.37 and 1,485,957.84 is: 2,050,533.60
Step by Step Solution
- Step 1: Write the proportion equation
2,588,781.21 : 3,572,364.37 = 1,485,957.84 : x - Step 2: Convert to fraction form
2,588,781.21/3,572,364.37 = 1,485,957.84/x - Step 3: Cross multiply
2,588,781.21x = 3,572,364.37 × 1,485,957.84 - Step 4: Simplify right side
2,588,781.21x = 5,308,382,842,938.16 - Step 5: Solve for x
x = 5,308,382,842,938.16/2,588,781.21 - Step 6: Final answer
x = 2,050,533.60
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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.