Finding the Fourth Proportional to 3,553,392.62, 4,903,681.80 and 1,921,799.96
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Solution
The fourth proportional to 3,553,392.62, 4,903,681.80 and 1,921,799.96 is: 2,652,083.94
Step by Step Solution
- Step 1: Write the proportion equation
3,553,392.62 : 4,903,681.80 = 1,921,799.96 : x - Step 2: Convert to fraction form
3,553,392.62/4,903,681.80 = 1,921,799.96/x - Step 3: Cross multiply
3,553,392.62x = 4,903,681.80 × 1,921,799.96 - Step 4: Simplify right side
3,553,392.62x = 9,423,895,487,092.73 - Step 5: Solve for x
x = 9,423,895,487,092.73/3,553,392.62 - Step 6: Final answer
x = 2,652,083.94
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1.5x scale
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.