Finding the Fourth Proportional to 1,788,216.84, 2,467,640.97 and 972,419.67
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Solution
The fourth proportional to 1,788,216.84, 2,467,640.97 and 972,419.67 is: 1,341,885.71
Step by Step Solution
- Step 1: Write the proportion equation
1,788,216.84 : 2,467,640.97 = 972,419.67 : x - Step 2: Convert to fraction form
1,788,216.84/2,467,640.97 = 972,419.67/x - Step 3: Cross multiply
1,788,216.84x = 2,467,640.97 × 972,419.67 - Step 4: Simplify right side
1,788,216.84x = 2,399,582,617,725.88 - Step 5: Solve for x
x = 2,399,582,617,725.88/1,788,216.84 - Step 6: Final answer
x = 1,341,885.71
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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.