Finding the Fourth Proportional to 1,496,891.36, 2,243,823.76 and 644,518.88
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Solution
The fourth proportional to 1,496,891.36, 2,243,823.76 and 644,518.88 is: 966,126.74
Step by Step Solution
- Step 1: Write the proportion equation
1,496,891.36 : 2,243,823.76 = 644,518.88 : x - Step 2: Convert to fraction form
1,496,891.36/2,243,823.76 = 644,518.88/x - Step 3: Cross multiply
1,496,891.36x = 2,243,823.76 × 644,518.88 - Step 4: Simplify right side
1,496,891.36x = 1,446,186,776,712.59 - Step 5: Solve for x
x = 1,446,186,776,712.59/1,496,891.36 - Step 6: Final answer
x = 966,126.74
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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.