Finding the Fourth Proportional to 5,174,856.84, 7,725,899.69 and 3,954,044.28
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Solution
The fourth proportional to 5,174,856.84, 7,725,899.69 and 3,954,044.28 is: 5,903,264.65
Step by Step Solution
- Step 1: Write the proportion equation
5,174,856.84 : 7,725,899.69 = 3,954,044.28 : x - Step 2: Convert to fraction form
5,174,856.84/7,725,899.69 = 3,954,044.28/x - Step 3: Cross multiply
5,174,856.84x = 7,725,899.69 × 3,954,044.28 - Step 4: Simplify right side
5,174,856.84x = 30,548,549,457,328.05 - Step 5: Solve for x
x = 30,548,549,457,328.05/5,174,856.84 - Step 6: Final answer
x = 5,903,264.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.