Finding the Fourth Proportional to 5,242,038.43, 7,234,245.80 and 2,950,347.55
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Solution
The fourth proportional to 5,242,038.43, 7,234,245.80 and 2,950,347.55 is: 4,071,610.62
Step by Step Solution
- Step 1: Write the proportion equation
5,242,038.43 : 7,234,245.80 = 2,950,347.55 : x - Step 2: Convert to fraction form
5,242,038.43/7,234,245.80 = 2,950,347.55/x - Step 3: Cross multiply
5,242,038.43x = 7,234,245.80 × 2,950,347.55 - Step 4: Simplify right side
5,242,038.43x = 21,343,539,357,376.05 - Step 5: Solve for x
x = 21,343,539,357,376.05/5,242,038.43 - Step 6: Final answer
x = 4,071,610.62
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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.