Finding the Fourth Proportional to 2,875,228.88, 3,969,090.84 and 1,857,130.16
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Solution
The fourth proportional to 2,875,228.88, 3,969,090.84 and 1,857,130.16 is: 2,563,663.14
Step by Step Solution
- Step 1: Write the proportion equation
2,875,228.88 : 3,969,090.84 = 1,857,130.16 : x - Step 2: Convert to fraction form
2,875,228.88/3,969,090.84 = 1,857,130.16/x - Step 3: Cross multiply
2,875,228.88x = 3,969,090.84 × 1,857,130.16 - Step 4: Simplify right side
2,875,228.88x = 7,371,118,306,743.73 - Step 5: Solve for x
x = 7,371,118,306,743.73/2,875,228.88 - Step 6: Final answer
x = 2,563,663.14
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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.