Finding the Fourth Proportional to 5,228,038.68, 7,830,701.70 and 2,526,698.62
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Solution
The fourth proportional to 5,228,038.68, 7,830,701.70 and 2,526,698.62 is: 3,784,559.45
Step by Step Solution
- Step 1: Write the proportion equation
5,228,038.68 : 7,830,701.70 = 2,526,698.62 : x - Step 2: Convert to fraction form
5,228,038.68/7,830,701.70 = 2,526,698.62/x - Step 3: Cross multiply
5,228,038.68x = 7,830,701.70 × 2,526,698.62 - Step 4: Simplify right side
5,228,038.68x = 19,785,823,179,021.66 - Step 5: Solve for x
x = 19,785,823,179,021.66/5,228,038.68 - Step 6: Final answer
x = 3,784,559.45
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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.