Finding the Fourth Proportional to 2,078,686.75, 2,868,596.36 and 1,124,830.75
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Solution
The fourth proportional to 2,078,686.75, 2,868,596.36 and 1,124,830.75 is: 1,552,271.11
Step by Step Solution
- Step 1: Write the proportion equation
2,078,686.75 : 2,868,596.36 = 1,124,830.75 : x - Step 2: Convert to fraction form
2,078,686.75/2,868,596.36 = 1,124,830.75/x - Step 3: Cross multiply
2,078,686.75x = 2,868,596.36 × 1,124,830.75 - Step 4: Simplify right side
2,078,686.75x = 3,226,685,395,066.07 - Step 5: Solve for x
x = 3,226,685,395,066.07/2,078,686.75 - Step 6: Final answer
x = 1,552,271.11
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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.