Finding the Fourth Proportional to 1,211,596.07, 1,671,927.44 and 667,701.50
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Solution
The fourth proportional to 1,211,596.07, 1,671,927.44 and 667,701.50 is: 921,386.66
Step by Step Solution
- Step 1: Write the proportion equation
1,211,596.07 : 1,671,927.44 = 667,701.50 : x - Step 2: Convert to fraction form
1,211,596.07/1,671,927.44 = 667,701.50/x - Step 3: Cross multiply
1,211,596.07x = 1,671,927.44 × 667,701.50 - Step 4: Simplify right side
1,211,596.07x = 1,116,348,447,881.02 - Step 5: Solve for x
x = 1,116,348,447,881.02/1,211,596.07 - Step 6: Final answer
x = 921,386.66
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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.