Finding the Fourth Proportional to 10,646,967.87, 15,970,444.20 and 2,559,940.74
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Solution
The fourth proportional to 10,646,967.87, 15,970,444.20 and 2,559,940.74 is: 3,839,909.28
Step by Step Solution
- Step 1: Write the proportion equation
10,646,967.87 : 15,970,444.20 = 2,559,940.74 : x - Step 2: Convert to fraction form
10,646,967.87/15,970,444.20 = 2,559,940.74/x - Step 3: Cross multiply
10,646,967.87x = 15,970,444.20 × 2,559,940.74 - Step 4: Simplify right side
10,646,967.87x = 40,883,390,743,476.71 - Step 5: Solve for x
x = 40,883,390,743,476.71/10,646,967.87 - Step 6: Final answer
x = 3,839,909.28
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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.