Finding the Fourth Proportional to 1,628,208.61, 2,244,332.57 and 1,283,482.74
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Solution
The fourth proportional to 1,628,208.61, 2,244,332.57 and 1,283,482.74 is: 1,769,160.34
Step by Step Solution
- Step 1: Write the proportion equation
1,628,208.61 : 2,244,332.57 = 1,283,482.74 : x - Step 2: Convert to fraction form
1,628,208.61/2,244,332.57 = 1,283,482.74/x - Step 3: Cross multiply
1,628,208.61x = 2,244,332.57 × 1,283,482.74 - Step 4: Simplify right side
1,628,208.61x = 2,880,562,106,394.24 - Step 5: Solve for x
x = 2,880,562,106,394.24/1,628,208.61 - Step 6: Final answer
x = 1,769,160.34
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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.