Finding the Fourth Proportional to 2,688,030.80, 3,709,480.84 and 1,480,806.80
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Solution
The fourth proportional to 2,688,030.80, 3,709,480.84 and 1,480,806.80 is: 2,043,512.47
Step by Step Solution
- Step 1: Write the proportion equation
2,688,030.80 : 3,709,480.84 = 1,480,806.80 : x - Step 2: Convert to fraction form
2,688,030.80/3,709,480.84 = 1,480,806.80/x - Step 3: Cross multiply
2,688,030.80x = 3,709,480.84 × 1,480,806.80 - Step 4: Simplify right side
2,688,030.80x = 5,493,024,452,341.71 - Step 5: Solve for x
x = 5,493,024,452,341.71/2,688,030.80 - Step 6: Final answer
x = 2,043,512.47
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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.