Finding the Fourth Proportional to 4,276,642.48, 6,415,921.15 and 1,436,677.18
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Solution
The fourth proportional to 4,276,642.48, 6,415,921.15 and 1,436,677.18 is: 2,155,337.40
Step by Step Solution
- Step 1: Write the proportion equation
4,276,642.48 : 6,415,921.15 = 1,436,677.18 : x - Step 2: Convert to fraction form
4,276,642.48/6,415,921.15 = 1,436,677.18/x - Step 3: Cross multiply
4,276,642.48x = 6,415,921.15 × 1,436,677.18 - Step 4: Simplify right side
4,276,642.48x = 9,217,607,485,252.86 - Step 5: Solve for x
x = 9,217,607,485,252.86/4,276,642.48 - Step 6: Final answer
x = 2,155,337.40
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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.