Finding the Fourth Proportional to 1,829,169.05, 2,520,188.65 and 1,207,871.06
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Solution
The fourth proportional to 1,829,169.05, 2,520,188.65 and 1,207,871.06 is: 1,664,178.02
Step by Step Solution
- Step 1: Write the proportion equation
1,829,169.05 : 2,520,188.65 = 1,207,871.06 : x - Step 2: Convert to fraction form
1,829,169.05/2,520,188.65 = 1,207,871.06/x - Step 3: Cross multiply
1,829,169.05x = 2,520,188.65 × 1,207,871.06 - Step 4: Simplify right side
1,829,169.05x = 3,044,062,936,075.47 - Step 5: Solve for x
x = 3,044,062,936,075.47/1,829,169.05 - Step 6: Final answer
x = 1,664,178.02
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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.