Finding the Fourth Proportional to 2,118,445.44, 3,177,875.52 and 697,921.92
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Solution
The fourth proportional to 2,118,445.44, 3,177,875.52 and 697,921.92 is: 1,046,951.19
Step by Step Solution
- Step 1: Write the proportion equation
2,118,445.44 : 3,177,875.52 = 697,921.92 : x - Step 2: Convert to fraction form
2,118,445.44/3,177,875.52 = 697,921.92/x - Step 3: Cross multiply
2,118,445.44x = 3,177,875.52 × 697,921.92 - Step 4: Simplify right side
2,118,445.44x = 2,217,908,984,439.40 - Step 5: Solve for x
x = 2,217,908,984,439.40/2,118,445.44 - Step 6: Final answer
x = 1,046,951.19
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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.