Finding the Fourth Proportional to 5,308,787.68, 7,924,425.36 and 4,555,470.07
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Solution
The fourth proportional to 5,308,787.68, 7,924,425.36 and 4,555,470.07 is: 6,799,948.45
Step by Step Solution
- Step 1: Write the proportion equation
5,308,787.68 : 7,924,425.36 = 4,555,470.07 : x - Step 2: Convert to fraction form
5,308,787.68/7,924,425.36 = 4,555,470.07/x - Step 3: Cross multiply
5,308,787.68x = 7,924,425.36 × 4,555,470.07 - Step 4: Simplify right side
5,308,787.68x = 36,099,482,549,428.98 - Step 5: Solve for x
x = 36,099,482,549,428.98/5,308,787.68 - Step 6: Final answer
x = 6,799,948.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.