Finding the Fourth Proportional to 2,421,349.40, 3,630,641.70 and 999,723.80
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Solution
The fourth proportional to 2,421,349.40, 3,630,641.70 and 999,723.80 is: 1,499,014.94
Step by Step Solution
- Step 1: Write the proportion equation
2,421,349.40 : 3,630,641.70 = 999,723.80 : x - Step 2: Convert to fraction form
2,421,349.40/3,630,641.70 = 999,723.80/x - Step 3: Cross multiply
2,421,349.40x = 3,630,641.70 × 999,723.80 - Step 4: Simplify right side
2,421,349.40x = 3,629,638,916,762.46 - Step 5: Solve for x
x = 3,629,638,916,762.46/2,421,349.40 - Step 6: Final answer
x = 1,499,014.94
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1.5x scale
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.