Finding the Fourth Proportional to 4,042,830.90, 6,064,246.35 and 3,989,686.80
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Solution
The fourth proportional to 4,042,830.90, 6,064,246.35 and 3,989,686.80 is: 5,984,530.20
Step by Step Solution
- Step 1: Write the proportion equation
4,042,830.90 : 6,064,246.35 = 3,989,686.80 : x - Step 2: Convert to fraction form
4,042,830.90/6,064,246.35 = 3,989,686.80/x - Step 3: Cross multiply
4,042,830.90x = 6,064,246.35 × 3,989,686.80 - Step 4: Simplify right side
4,042,830.90x = 24,194,443,614,543.18 - Step 5: Solve for x
x = 24,194,443,614,543.18/4,042,830.90 - Step 6: Final answer
x = 5,984,530.20
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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.