Finding the Fourth Proportional to 5,673,269.96, 7,828,041.80 and 3,381,643.88
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Solution
The fourth proportional to 5,673,269.96, 7,828,041.80 and 3,381,643.88 is: 4,666,030.32
Step by Step Solution
- Step 1: Write the proportion equation
5,673,269.96 : 7,828,041.80 = 3,381,643.88 : x - Step 2: Convert to fraction form
5,673,269.96/7,828,041.80 = 3,381,643.88/x - Step 3: Cross multiply
5,673,269.96x = 7,828,041.80 × 3,381,643.88 - Step 4: Simplify right side
5,673,269.96x = 26,471,649,645,354.18 - Step 5: Solve for x
x = 26,471,649,645,354.18/5,673,269.96 - Step 6: Final answer
x = 4,666,030.32
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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.