Finding the Fourth Proportional to 5,429,045.35, 8,143,563.35 and 1,385,532.84
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Solution
The fourth proportional to 5,429,045.35, 8,143,563.35 and 1,385,532.84 is: 2,078,298.07
Step by Step Solution
- Step 1: Write the proportion equation
5,429,045.35 : 8,143,563.35 = 1,385,532.84 : x - Step 2: Convert to fraction form
5,429,045.35/8,143,563.35 = 1,385,532.84/x - Step 3: Cross multiply
5,429,045.35x = 8,143,563.35 × 1,385,532.84 - Step 4: Simplify right side
5,429,045.35x = 11,283,174,490,047.61 - Step 5: Solve for x
x = 11,283,174,490,047.61/5,429,045.35 - Step 6: Final answer
x = 2,078,298.07
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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.