Finding the Fourth Proportional to 3,636,917.19, 5,455,178.04 and 1,112,572.44
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Solution
The fourth proportional to 3,636,917.19, 5,455,178.04 and 1,112,572.44 is: 1,668,798.17
Step by Step Solution
- Step 1: Write the proportion equation
3,636,917.19 : 5,455,178.04 = 1,112,572.44 : x - Step 2: Convert to fraction form
3,636,917.19/5,455,178.04 = 1,112,572.44/x - Step 3: Cross multiply
3,636,917.19x = 5,455,178.04 × 1,112,572.44 - Step 4: Simplify right side
3,636,917.19x = 6,069,280,742,597.22 - Step 5: Solve for x
x = 6,069,280,742,597.22/3,636,917.19 - Step 6: Final answer
x = 1,668,798.17
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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.