Finding the Fourth Proportional to 4,977,590.54, 6,869,207.84 and 2,802,216.02
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Solution
The fourth proportional to 4,977,590.54, 6,869,207.84 and 2,802,216.02 is: 3,867,132.92
Step by Step Solution
- Step 1: Write the proportion equation
4,977,590.54 : 6,869,207.84 = 2,802,216.02 : x - Step 2: Convert to fraction form
4,977,590.54/6,869,207.84 = 2,802,216.02/x - Step 3: Cross multiply
4,977,590.54x = 6,869,207.84 × 2,802,216.02 - Step 4: Simplify right side
4,977,590.54x = 19,249,004,205,600.48 - Step 5: Solve for x
x = 19,249,004,205,600.48/4,977,590.54 - Step 6: Final answer
x = 3,867,132.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.