Finding the Fourth Proportional to 6,636,448.18, 9,161,129.37 and 4,462,251.58
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Solution
The fourth proportional to 6,636,448.18, 9,161,129.37 and 4,462,251.58 is: 6,159,810.62
Step by Step Solution
- Step 1: Write the proportion equation
6,636,448.18 : 9,161,129.37 = 4,462,251.58 : x - Step 2: Convert to fraction form
6,636,448.18/9,161,129.37 = 4,462,251.58/x - Step 3: Cross multiply
6,636,448.18x = 9,161,129.37 × 4,462,251.58 - Step 4: Simplify right side
6,636,448.18x = 40,879,264,005,866.90 - Step 5: Solve for x
x = 40,879,264,005,866.90/6,636,448.18 - Step 6: Final answer
x = 6,159,810.62
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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.