Finding the Fourth Proportional to 2,539,263.12, 3,503,927.88 and 1,520,641.68
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Solution
The fourth proportional to 2,539,263.12, 3,503,927.88 and 1,520,641.68 is: 2,098,332.68
Step by Step Solution
- Step 1: Write the proportion equation
2,539,263.12 : 3,503,927.88 = 1,520,641.68 : x - Step 2: Convert to fraction form
2,539,263.12/3,503,927.88 = 1,520,641.68/x - Step 3: Cross multiply
2,539,263.12x = 3,503,927.88 × 1,520,641.68 - Step 4: Simplify right side
2,539,263.12x = 5,328,218,778,042.04 - Step 5: Solve for x
x = 5,328,218,778,042.04/2,539,263.12 - Step 6: Final answer
x = 2,098,332.68
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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.