Finding the Fourth Proportional to 7,254,205.74, 10,010,803.58 and 3,990,950.46
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Solution
The fourth proportional to 7,254,205.74, 10,010,803.58 and 3,990,950.46 is: 5,507,511.45
Step by Step Solution
- Step 1: Write the proportion equation
7,254,205.74 : 10,010,803.58 = 3,990,950.46 : x - Step 2: Convert to fraction form
7,254,205.74/10,010,803.58 = 3,990,950.46/x - Step 3: Cross multiply
7,254,205.74x = 10,010,803.58 × 3,990,950.46 - Step 4: Simplify right side
7,254,205.74x = 39,952,621,112,494.01 - Step 5: Solve for x
x = 39,952,621,112,494.01/7,254,205.74 - Step 6: Final answer
x = 5,507,511.45
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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.