Finding the Fourth Proportional to 6,931,431.41, 9,564,733.40 and 3,833,888.09
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Solution
The fourth proportional to 6,931,431.41, 9,564,733.40 and 3,833,888.09 is: 5,290,410.49
Step by Step Solution
- Step 1: Write the proportion equation
6,931,431.41 : 9,564,733.40 = 3,833,888.09 : x - Step 2: Convert to fraction form
6,931,431.41/9,564,733.40 = 3,833,888.09/x - Step 3: Cross multiply
6,931,431.41x = 9,564,733.40 × 3,833,888.09 - Step 4: Simplify right side
6,931,431.41x = 36,670,117,399,292.09 - Step 5: Solve for x
x = 36,670,117,399,292.09/6,931,431.41 - Step 6: Final answer
x = 5,290,410.49
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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.