Finding the Fourth Proportional to 1,916,219.98, 2,643,928.93 and 1,089,228.49
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Solution
The fourth proportional to 1,916,219.98, 2,643,928.93 and 1,089,228.49 is: 1,502,876.88
Step by Step Solution
- Step 1: Write the proportion equation
1,916,219.98 : 2,643,928.93 = 1,089,228.49 : x - Step 2: Convert to fraction form
1,916,219.98/2,643,928.93 = 1,089,228.49/x - Step 3: Cross multiply
1,916,219.98x = 2,643,928.93 × 1,089,228.49 - Step 4: Simplify right side
1,916,219.98x = 2,879,842,702,871.57 - Step 5: Solve for x
x = 2,879,842,702,871.57/1,916,219.98 - Step 6: Final answer
x = 1,502,876.88
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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.