Finding the Fourth Proportional to 4,990,360.63, 7,484,212.54 and 1,395,904.63
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Solution
The fourth proportional to 4,990,360.63, 7,484,212.54 and 1,395,904.63 is: 2,093,485.36
Step by Step Solution
- Step 1: Write the proportion equation
4,990,360.63 : 7,484,212.54 = 1,395,904.63 : x - Step 2: Convert to fraction form
4,990,360.63/7,484,212.54 = 1,395,904.63/x - Step 3: Cross multiply
4,990,360.63x = 7,484,212.54 × 1,395,904.63 - Step 4: Simplify right side
4,990,360.63x = 10,447,246,936,490.06 - Step 5: Solve for x
x = 10,447,246,936,490.06/4,990,360.63 - Step 6: Final answer
x = 2,093,485.36
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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.