Finding the Fourth Proportional to 5,336,078.95, 7,363,781.05 and 2,888,677.99
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Solution
The fourth proportional to 5,336,078.95, 7,363,781.05 and 2,888,677.99 is: 3,986,371.35
Step by Step Solution
- Step 1: Write the proportion equation
5,336,078.95 : 7,363,781.05 = 2,888,677.99 : x - Step 2: Convert to fraction form
5,336,078.95/7,363,781.05 = 2,888,677.99/x - Step 3: Cross multiply
5,336,078.95x = 7,363,781.05 × 2,888,677.99 - Step 4: Simplify right side
5,336,078.95x = 21,271,592,242,314.09 - Step 5: Solve for x
x = 21,271,592,242,314.09/5,336,078.95 - Step 6: Final answer
x = 3,986,371.35
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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.