Finding the Fourth Proportional to 2,166,366.57, 2,989,688.60 and 1,306,908.39
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Solution
The fourth proportional to 2,166,366.57, 2,989,688.60 and 1,306,908.39 is: 1,803,595.55
Step by Step Solution
- Step 1: Write the proportion equation
2,166,366.57 : 2,989,688.60 = 1,306,908.39 : x - Step 2: Convert to fraction form
2,166,366.57/2,989,688.60 = 1,306,908.39/x - Step 3: Cross multiply
2,166,366.57x = 2,989,688.60 × 1,306,908.39 - Step 4: Simplify right side
2,166,366.57x = 3,907,249,108,292.81 - Step 5: Solve for x
x = 3,907,249,108,292.81/2,166,366.57 - Step 6: Final answer
x = 1,803,595.55
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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.