Finding the Fourth Proportional to 3,179,023.18, 4,387,167.35 and 1,821,158.62
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Solution
The fourth proportional to 3,179,023.18, 4,387,167.35 and 1,821,158.62 is: 2,513,264.98
Step by Step Solution
- Step 1: Write the proportion equation
3,179,023.18 : 4,387,167.35 = 1,821,158.62 : x - Step 2: Convert to fraction form
3,179,023.18/4,387,167.35 = 1,821,158.62/x - Step 3: Cross multiply
3,179,023.18x = 4,387,167.35 × 1,821,158.62 - Step 4: Simplify right side
3,179,023.18x = 7,989,727,636,835.06 - Step 5: Solve for x
x = 7,989,727,636,835.06/3,179,023.18 - Step 6: Final answer
x = 2,513,264.98
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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.