Finding the Fourth Proportional to 6,349,713.66, 8,754,266.70 and 4,582,128.69
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Solution
The fourth proportional to 6,349,713.66, 8,754,266.70 and 4,582,128.69 is: 6,317,320.55
Step by Step Solution
- Step 1: Write the proportion equation
6,349,713.66 : 8,754,266.70 = 4,582,128.69 : x - Step 2: Convert to fraction form
6,349,713.66/8,754,266.70 = 4,582,128.69/x - Step 3: Cross multiply
6,349,713.66x = 8,754,266.70 × 4,582,128.69 - Step 4: Simplify right side
6,349,713.66x = 40,113,176,605,981.62 - Step 5: Solve for x
x = 40,113,176,605,981.62/6,349,713.66 - Step 6: Final answer
x = 6,317,320.55
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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.