Finding the Fourth Proportional to 1,974,910.21, 2,963,221.08 and 696,431.17
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Solution
The fourth proportional to 1,974,910.21, 2,963,221.08 and 696,431.17 is: 1,044,948.52
Step by Step Solution
- Step 1: Write the proportion equation
1,974,910.21 : 2,963,221.08 = 696,431.17 : x - Step 2: Convert to fraction form
1,974,910.21/2,963,221.08 = 696,431.17/x - Step 3: Cross multiply
1,974,910.21x = 2,963,221.08 × 696,431.17 - Step 4: Simplify right side
1,974,910.21x = 2,063,679,508,137.35 - Step 5: Solve for x
x = 2,063,679,508,137.35/1,974,910.21 - Step 6: Final answer
x = 1,044,948.52
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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.