Finding the Fourth Proportional to 1,528,335.80, 2,292,363.12 and 517,342.19
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Solution
The fourth proportional to 1,528,335.80, 2,292,363.12 and 517,342.19 is: 775,965.70
Step by Step Solution
- Step 1: Write the proportion equation
1,528,335.80 : 2,292,363.12 = 517,342.19 : x - Step 2: Convert to fraction form
1,528,335.80/2,292,363.12 = 517,342.19/x - Step 3: Cross multiply
1,528,335.80x = 2,292,363.12 × 517,342.19 - Step 4: Simplify right side
1,528,335.80x = 1,185,936,156,776.03 - Step 5: Solve for x
x = 1,185,936,156,776.03/1,528,335.80 - Step 6: Final answer
x = 775,965.70
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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.