Finding the Fourth Proportional to 4,730,939.28, 6,528,698.70 and 2,555,482.38
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Solution
The fourth proportional to 4,730,939.28, 6,528,698.70 and 2,555,482.38 is: 3,526,567.03
Step by Step Solution
- Step 1: Write the proportion equation
4,730,939.28 : 6,528,698.70 = 2,555,482.38 : x - Step 2: Convert to fraction form
4,730,939.28/6,528,698.70 = 2,555,482.38/x - Step 3: Cross multiply
4,730,939.28x = 6,528,698.70 × 2,555,482.38 - Step 4: Simplify right side
4,730,939.28x = 16,683,974,492,178.91 - Step 5: Solve for x
x = 16,683,974,492,178.91/4,730,939.28 - Step 6: Final answer
x = 3,526,567.03
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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.