Finding the Fourth Proportional to 4,421,215.22, 6,631,822.40 and 1,226,341.53
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Solution
The fourth proportional to 4,421,215.22, 6,631,822.40 and 1,226,341.53 is: 1,839,512.18
Step by Step Solution
- Step 1: Write the proportion equation
4,421,215.22 : 6,631,822.40 = 1,226,341.53 : x - Step 2: Convert to fraction form
4,421,215.22/6,631,822.40 = 1,226,341.53/x - Step 3: Cross multiply
4,421,215.22x = 6,631,822.40 × 1,226,341.53 - Step 4: Simplify right side
4,421,215.22x = 8,132,879,222,572.57 - Step 5: Solve for x
x = 8,132,879,222,572.57/4,421,215.22 - Step 6: Final answer
x = 1,839,512.18
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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.