Finding the Fourth Proportional to 3,221,223.18, 4,821,320.64 and 2,368,068.96
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Solution
The fourth proportional to 3,221,223.18, 4,821,320.64 and 2,368,068.96 is: 3,544,374.02
Step by Step Solution
- Step 1: Write the proportion equation
3,221,223.18 : 4,821,320.64 = 2,368,068.96 : x - Step 2: Convert to fraction form
3,221,223.18/4,821,320.64 = 2,368,068.96/x - Step 3: Cross multiply
3,221,223.18x = 4,821,320.64 × 2,368,068.96 - Step 4: Simplify right side
3,221,223.18x = 11,417,219,753,791.33 - Step 5: Solve for x
x = 11,417,219,753,791.33/3,221,223.18 - Step 6: Final answer
x = 3,544,374.02
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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.