Finding the Fourth Proportional to 1,625,346.73, 2,242,994.97 and 980,642.35
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Solution
The fourth proportional to 1,625,346.73, 2,242,994.97 and 980,642.35 is: 1,353,296.39
Step by Step Solution
- Step 1: Write the proportion equation
1,625,346.73 : 2,242,994.97 = 980,642.35 : x - Step 2: Convert to fraction form
1,625,346.73/2,242,994.97 = 980,642.35/x - Step 3: Cross multiply
1,625,346.73x = 2,242,994.97 × 980,642.35 - Step 4: Simplify right side
1,625,346.73x = 2,199,575,858,418.98 - Step 5: Solve for x
x = 2,199,575,858,418.98/1,625,346.73 - Step 6: Final answer
x = 1,353,296.39
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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.