Finding the Fourth Proportional to 2,688,000.36, 3,709,438.86 and 1,480,776.36
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Solution
The fourth proportional to 2,688,000.36, 3,709,438.86 and 1,480,776.36 is: 2,043,470.48
Step by Step Solution
- Step 1: Write the proportion equation
2,688,000.36 : 3,709,438.86 = 1,480,776.36 : x - Step 2: Convert to fraction form
2,688,000.36/3,709,438.86 = 1,480,776.36/x - Step 3: Cross multiply
2,688,000.36x = 3,709,438.86 × 1,480,776.36 - Step 4: Simplify right side
2,688,000.36x = 5,492,849,372,753.35 - Step 5: Solve for x
x = 5,492,849,372,753.35/2,688,000.36 - Step 6: Final answer
x = 2,043,470.48
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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.