Finding the Fourth Proportional to 2,878,581.96, 4,317,892.98 and 1,977,291.93
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Solution
The fourth proportional to 2,878,581.96, 4,317,892.98 and 1,977,291.93 is: 2,965,951.66
Step by Step Solution
- Step 1: Write the proportion equation
2,878,581.96 : 4,317,892.98 = 1,977,291.93 : x - Step 2: Convert to fraction form
2,878,581.96/4,317,892.98 = 1,977,291.93/x - Step 3: Cross multiply
2,878,581.96x = 4,317,892.98 × 1,977,291.93 - Step 4: Simplify right side
2,878,581.96x = 8,537,734,943,957.65 - Step 5: Solve for x
x = 8,537,734,943,957.65/2,878,581.96 - Step 6: Final answer
x = 2,965,951.66
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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.