Finding the Fourth Proportional to 2,875,153.20, 3,968,986.68 and 1,857,054.48
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Solution
The fourth proportional to 2,875,153.20, 3,968,986.68 and 1,857,054.48 is: 2,563,558.87
Step by Step Solution
- Step 1: Write the proportion equation
2,875,153.20 : 3,968,986.68 = 1,857,054.48 : x - Step 2: Convert to fraction form
2,875,153.20/3,968,986.68 = 1,857,054.48/x - Step 3: Cross multiply
2,875,153.20x = 3,968,986.68 × 1,857,054.48 - Step 4: Simplify right side
2,875,153.20x = 7,370,624,495,154.33 - Step 5: Solve for x
x = 7,370,624,495,154.33/2,875,153.20 - Step 6: Final answer
x = 2,563,558.87
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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.