Finding the Fourth Proportional to 4,715,432.04, 7,075,892.70 and 1,982,781.84
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Solution
The fourth proportional to 4,715,432.04, 7,075,892.70 and 1,982,781.84 is: 2,975,326.85
Step by Step Solution
- Step 1: Write the proportion equation
4,715,432.04 : 7,075,892.70 = 1,982,781.84 : x - Step 2: Convert to fraction form
4,715,432.04/7,075,892.70 = 1,982,781.84/x - Step 3: Cross multiply
4,715,432.04x = 7,075,892.70 × 1,982,781.84 - Step 4: Simplify right side
4,715,432.04x = 14,029,951,547,348.57 - Step 5: Solve for x
x = 14,029,951,547,348.57/4,715,432.04 - Step 6: Final answer
x = 2,975,326.85
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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.