Finding the Fourth Proportional to 2,188,394.40, 3,282,898.80 and 692,330.40
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Solution
The fourth proportional to 2,188,394.40, 3,282,898.80 and 692,330.40 is: 1,038,592.79
Step by Step Solution
- Step 1: Write the proportion equation
2,188,394.40 : 3,282,898.80 = 692,330.40 : x - Step 2: Convert to fraction form
2,188,394.40/3,282,898.80 = 692,330.40/x - Step 3: Cross multiply
2,188,394.40x = 3,282,898.80 × 692,330.40 - Step 4: Simplify right side
2,188,394.40x = 2,272,850,639,363.52 - Step 5: Solve for x
x = 2,272,850,639,363.52/2,188,394.40 - Step 6: Final answer
x = 1,038,592.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.