Finding the Fourth Proportional to 2,122,332.63, 3,181,497.70 and 1,056,366.96
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Solution
The fourth proportional to 2,122,332.63, 3,181,497.70 and 1,056,366.96 is: 1,583,554.34
Step by Step Solution
- Step 1: Write the proportion equation
2,122,332.63 : 3,181,497.70 = 1,056,366.96 : x - Step 2: Convert to fraction form
2,122,332.63/3,181,497.70 = 1,056,366.96/x - Step 3: Cross multiply
2,122,332.63x = 3,181,497.70 × 1,056,366.96 - Step 4: Simplify right side
2,122,332.63x = 3,360,829,053,595.99 - Step 5: Solve for x
x = 3,360,829,053,595.99/2,122,332.63 - Step 6: Final answer
x = 1,583,554.34
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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.