Finding the Fourth Proportional to 6,698,539.98, 9,243,898.47 and 3,642,688.62
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Solution
The fourth proportional to 6,698,539.98, 9,243,898.47 and 3,642,688.62 is: 5,026,863.15
Step by Step Solution
- Step 1: Write the proportion equation
6,698,539.98 : 9,243,898.47 = 3,642,688.62 : x - Step 2: Convert to fraction form
6,698,539.98/9,243,898.47 = 3,642,688.62/x - Step 3: Cross multiply
6,698,539.98x = 9,243,898.47 × 3,642,688.62 - Step 4: Simplify right side
6,698,539.98x = 33,672,643,761,104.41 - Step 5: Solve for x
x = 33,672,643,761,104.41/6,698,539.98 - Step 6: Final answer
x = 5,026,863.15
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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.