Finding the Fourth Proportional to 1,917,009.40, 2,874,420.60 and 718,970.80
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Solution
The fourth proportional to 1,917,009.40, 2,874,420.60 and 718,970.80 is: 1,078,046.08
Step by Step Solution
- Step 1: Write the proportion equation
1,917,009.40 : 2,874,420.60 = 718,970.80 : x - Step 2: Convert to fraction form
1,917,009.40/2,874,420.60 = 718,970.80/x - Step 3: Cross multiply
1,917,009.40x = 2,874,420.60 × 718,970.80 - Step 4: Simplify right side
1,917,009.40x = 2,066,624,478,318.48 - Step 5: Solve for x
x = 2,066,624,478,318.48/1,917,009.40 - Step 6: Final answer
x = 1,078,046.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.