Finding the Fourth Proportional to 1,609,378.16, 2,220,906.16 and 874,313.45
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Solution
The fourth proportional to 1,609,378.16, 2,220,906.16 and 874,313.45 is: 1,206,533.17
Step by Step Solution
- Step 1: Write the proportion equation
1,609,378.16 : 2,220,906.16 = 874,313.45 : x - Step 2: Convert to fraction form
1,609,378.16/2,220,906.16 = 874,313.45/x - Step 3: Cross multiply
1,609,378.16x = 2,220,906.16 × 874,313.45 - Step 4: Simplify right side
1,609,378.16x = 1,941,768,126,875.85 - Step 5: Solve for x
x = 1,941,768,126,875.85/1,609,378.16 - Step 6: Final answer
x = 1,206,533.17
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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.