Finding the Fourth Proportional to 2,785,839.94, 4,180,306.47 and 1,506,415.78
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Solution
The fourth proportional to 2,785,839.94, 4,180,306.47 and 1,506,415.78 is: 2,260,459.96
Step by Step Solution
- Step 1: Write the proportion equation
2,785,839.94 : 4,180,306.47 = 1,506,415.78 : x - Step 2: Convert to fraction form
2,785,839.94/4,180,306.47 = 1,506,415.78/x - Step 3: Cross multiply
2,785,839.94x = 4,180,306.47 × 1,506,415.78 - Step 4: Simplify right side
2,785,839.94x = 6,297,279,631,644.10 - Step 5: Solve for x
x = 6,297,279,631,644.10/2,785,839.94 - Step 6: Final answer
x = 2,260,459.96
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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.