Finding the Fourth Proportional to 1,993,763.18, 2,751,386.11 and 1,122,597.78
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Solution
The fourth proportional to 1,993,763.18, 2,751,386.11 and 1,122,597.78 is: 1,549,180.95
Step by Step Solution
- Step 1: Write the proportion equation
1,993,763.18 : 2,751,386.11 = 1,122,597.78 : x - Step 2: Convert to fraction form
1,993,763.18/2,751,386.11 = 1,122,597.78/x - Step 3: Cross multiply
1,993,763.18x = 2,751,386.11 × 1,122,597.78 - Step 4: Simplify right side
1,993,763.18x = 3,088,699,936,202.34 - Step 5: Solve for x
x = 3,088,699,936,202.34/1,993,763.18 - Step 6: Final answer
x = 1,549,180.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.