Finding the Fourth Proportional to 5,769,228.60, 8,643,345.30 and 4,698,473.40
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Solution
The fourth proportional to 5,769,228.60, 8,643,345.30 and 4,698,473.40 is: 7,039,160.83
Step by Step Solution
- Step 1: Write the proportion equation
5,769,228.60 : 8,643,345.30 = 4,698,473.40 : x - Step 2: Convert to fraction form
5,769,228.60/8,643,345.30 = 4,698,473.40/x - Step 3: Cross multiply
5,769,228.60x = 8,643,345.30 × 4,698,473.40 - Step 4: Simplify right side
5,769,228.60x = 40,610,527,979,065.02 - Step 5: Solve for x
x = 40,610,527,979,065.02/5,769,228.60 - Step 6: Final answer
x = 7,039,160.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.