Finding the Fourth Proportional to 1,645,320.70, 2,466,137.85 and 935,688.70
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Solution
The fourth proportional to 1,645,320.70, 2,466,137.85 and 935,688.70 is: 1,402,484.83
Step by Step Solution
- Step 1: Write the proportion equation
1,645,320.70 : 2,466,137.85 = 935,688.70 : x - Step 2: Convert to fraction form
1,645,320.70/2,466,137.85 = 935,688.70/x - Step 3: Cross multiply
1,645,320.70x = 2,466,137.85 × 935,688.70 - Step 4: Simplify right side
1,645,320.70x = 2,307,537,318,887.30 - Step 5: Solve for x
x = 2,307,537,318,887.30/1,645,320.70 - Step 6: Final answer
x = 1,402,484.83
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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.