Finding the Fourth Proportional to 6,475,083.81, 8,935,381.49 and 3,574,412.40
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Solution
The fourth proportional to 6,475,083.81, 8,935,381.49 and 3,574,412.40 is: 4,932,559.84
Step by Step Solution
- Step 1: Write the proportion equation
6,475,083.81 : 8,935,381.49 = 3,574,412.40 : x - Step 2: Convert to fraction form
6,475,083.81/8,935,381.49 = 3,574,412.40/x - Step 3: Cross multiply
6,475,083.81x = 8,935,381.49 × 3,574,412.40 - Step 4: Simplify right side
6,475,083.81x = 31,938,738,378,714.41 - Step 5: Solve for x
x = 31,938,738,378,714.41/6,475,083.81 - Step 6: Final answer
x = 4,932,559.84
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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.