Finding the Fourth Proportional to 1,638,283.98, 2,260,842.40 and 913,177.66
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Solution
The fourth proportional to 1,638,283.98, 2,260,842.40 and 913,177.66 is: 1,260,191.03
Step by Step Solution
- Step 1: Write the proportion equation
1,638,283.98 : 2,260,842.40 = 913,177.66 : x - Step 2: Convert to fraction form
1,638,283.98/2,260,842.40 = 913,177.66/x - Step 3: Cross multiply
1,638,283.98x = 2,260,842.40 × 913,177.66 - Step 4: Simplify right side
1,638,283.98x = 2,064,550,772,460.78 - Step 5: Solve for x
x = 2,064,550,772,460.78/1,638,283.98 - Step 6: Final answer
x = 1,260,191.03
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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.