Finding the Fourth Proportional to 1,786,983.42, 2,466,056.16 and 971,187.14
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Solution
The fourth proportional to 1,786,983.42, 2,466,056.16 and 971,187.14 is: 1,340,248.61
Step by Step Solution
- Step 1: Write the proportion equation
1,786,983.42 : 2,466,056.16 = 971,187.14 : x - Step 2: Convert to fraction form
1,786,983.42/2,466,056.16 = 971,187.14/x - Step 3: Cross multiply
1,786,983.42x = 2,466,056.16 × 971,187.14 - Step 4: Simplify right side
1,786,983.42x = 2,395,002,037,702.89 - Step 5: Solve for x
x = 2,395,002,037,702.89/1,786,983.42 - Step 6: Final answer
x = 1,340,248.61
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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.