Finding the Fourth Proportional to 4,430,222.98, 6,646,274.88 and 1,398,465.07
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Solution
The fourth proportional to 4,430,222.98, 6,646,274.88 and 1,398,465.07 is: 2,097,994.45
Step by Step Solution
- Step 1: Write the proportion equation
4,430,222.98 : 6,646,274.88 = 1,398,465.07 : x - Step 2: Convert to fraction form
4,430,222.98/6,646,274.88 = 1,398,465.07/x - Step 3: Cross multiply
4,430,222.98x = 6,646,274.88 × 1,398,465.07 - Step 4: Simplify right side
4,430,222.98x = 9,294,583,225,074.74 - Step 5: Solve for x
x = 9,294,583,225,074.74/4,430,222.98 - Step 6: Final answer
x = 2,097,994.45
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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.