Finding the Fourth Proportional to 5,280,449, 7,919,404.86 and 2,437,830.12
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Solution
The fourth proportional to 5,280,449, 7,919,404.86 and 2,437,830.12 is: 3,656,159.49
Step by Step Solution
- Step 1: Write the proportion equation
5,280,449 : 7,919,404.86 = 2,437,830.12 : x - Step 2: Convert to fraction form
5,280,449/7,919,404.86 = 2,437,830.12/x - Step 3: Cross multiply
5,280,449x = 7,919,404.86 × 2,437,830.12 - Step 4: Simplify right side
5,280,449x = 19,306,163,700,182.39 - Step 5: Solve for x
x = 19,306,163,700,182.39/5,280,449 - Step 6: Final answer
x = 3,656,159.49
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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.