Finding the Fourth Proportional to 4,679,401.68, 7,019,102.52 and 1,687,585.68
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Solution
The fourth proportional to 4,679,401.68, 7,019,102.52 and 1,687,585.68 is: 2,531,378.52
Step by Step Solution
- Step 1: Write the proportion equation
4,679,401.68 : 7,019,102.52 = 1,687,585.68 : x - Step 2: Convert to fraction form
4,679,401.68/7,019,102.52 = 1,687,585.68/x - Step 3: Cross multiply
4,679,401.68x = 7,019,102.52 × 1,687,585.68 - Step 4: Simplify right side
4,679,401.68x = 11,845,336,899,203.91 - Step 5: Solve for x
x = 11,845,336,899,203.91/4,679,401.68 - Step 6: Final answer
x = 2,531,378.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.