Finding the Fourth Proportional to 6,429,922.12, 8,873,407.20 and 3,529,582.93
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Solution
The fourth proportional to 6,429,922.12, 8,873,407.20 and 3,529,582.93 is: 4,870,887.39
Step by Step Solution
- Step 1: Write the proportion equation
6,429,922.12 : 8,873,407.20 = 3,529,582.93 : x - Step 2: Convert to fraction form
6,429,922.12/8,873,407.20 = 3,529,582.93/x - Step 3: Cross multiply
6,429,922.12x = 8,873,407.20 × 3,529,582.93 - Step 4: Simplify right side
6,429,922.12x = 31,319,426,584,059.09 - Step 5: Solve for x
x = 31,319,426,584,059.09/6,429,922.12 - Step 6: Final answer
x = 4,870,887.39
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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.