Finding the Fourth Proportional to 2,815,215.04, 4,221,930.74 and 1,017,860.68
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Solution
The fourth proportional to 2,815,215.04, 4,221,930.74 and 1,017,860.68 is: 1,526,468.58
Step by Step Solution
- Step 1: Write the proportion equation
2,815,215.04 : 4,221,930.74 = 1,017,860.68 : x - Step 2: Convert to fraction form
2,815,215.04/4,221,930.74 = 1,017,860.68/x - Step 3: Cross multiply
2,815,215.04x = 4,221,930.74 × 1,017,860.68 - Step 4: Simplify right side
2,815,215.04x = 4,297,337,293,929.30 - Step 5: Solve for x
x = 4,297,337,293,929.30/2,815,215.04 - Step 6: Final answer
x = 1,526,468.58
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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.