Finding the Fourth Proportional to 4,374,022.20, 6,564,313.80 and 2,243,009.40
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Solution
The fourth proportional to 4,374,022.20, 6,564,313.80 and 2,243,009.40 is: 3,366,196.35
Step by Step Solution
- Step 1: Write the proportion equation
4,374,022.20 : 6,564,313.80 = 2,243,009.40 : x - Step 2: Convert to fraction form
4,374,022.20/6,564,313.80 = 2,243,009.40/x - Step 3: Cross multiply
4,374,022.20x = 6,564,313.80 × 2,243,009.40 - Step 4: Simplify right side
4,374,022.20x = 14,723,817,557,949.72 - Step 5: Solve for x
x = 14,723,817,557,949.72/4,374,022.20 - Step 6: Final answer
x = 3,366,196.35
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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.