Finding the Fourth Proportional to 3,636,923.98, 5,455,188.21 and 1,112,579.23
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Solution
The fourth proportional to 3,636,923.98, 5,455,188.21 and 1,112,579.23 is: 1,668,808.35
Step by Step Solution
- Step 1: Write the proportion equation
3,636,923.98 : 5,455,188.21 = 1,112,579.23 : x - Step 2: Convert to fraction form
3,636,923.98/5,455,188.21 = 1,112,579.23/x - Step 3: Cross multiply
3,636,923.98x = 5,455,188.21 × 1,112,579.23 - Step 4: Simplify right side
3,636,923.98x = 6,069,329,098,186.88 - Step 5: Solve for x
x = 6,069,329,098,186.88/3,636,923.98 - Step 6: Final answer
x = 1,668,808.35
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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.