Finding the Fourth Proportional to 4,985,644.41, 7,479,472.64 and 1,574,463.87
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Solution
The fourth proportional to 4,985,644.41, 7,479,472.64 and 1,574,463.87 is: 2,362,013.51
Step by Step Solution
- Step 1: Write the proportion equation
4,985,644.41 : 7,479,472.64 = 1,574,463.87 : x - Step 2: Convert to fraction form
4,985,644.41/7,479,472.64 = 1,574,463.87/x - Step 3: Cross multiply
4,985,644.41x = 7,479,472.64 × 1,574,463.87 - Step 4: Simplify right side
4,985,644.41x = 11,776,159,430,461.20 - Step 5: Solve for x
x = 11,776,159,430,461.20/4,985,644.41 - Step 6: Final answer
x = 2,362,013.51
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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.