Finding the Fourth Proportional to 6,658,219.46, 9,961,051.17 and 5,130,326.99
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Solution
The fourth proportional to 6,658,219.46, 9,961,051.17 and 5,130,326.99 is: 7,675,242.60
Step by Step Solution
- Step 1: Write the proportion equation
6,658,219.46 : 9,961,051.17 = 5,130,326.99 : x - Step 2: Convert to fraction form
6,658,219.46/9,961,051.17 = 5,130,326.99/x - Step 3: Cross multiply
6,658,219.46x = 9,961,051.17 × 5,130,326.99 - Step 4: Simplify right side
6,658,219.46x = 51,103,449,666,222.08 - Step 5: Solve for x
x = 51,103,449,666,222.08/6,658,219.46 - Step 6: Final answer
x = 7,675,242.60
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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.