Finding the Fourth Proportional to 4,031,259.74, 5,563,137.38 and 2,220,423.74
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Solution
The fourth proportional to 4,031,259.74, 5,563,137.38 and 2,220,423.74 is: 3,064,184.18
Step by Step Solution
- Step 1: Write the proportion equation
4,031,259.74 : 5,563,137.38 = 2,220,423.74 : x - Step 2: Convert to fraction form
4,031,259.74/5,563,137.38 = 2,220,423.74/x - Step 3: Cross multiply
4,031,259.74x = 5,563,137.38 × 2,220,423.74 - Step 4: Simplify right side
4,031,259.74x = 12,352,522,307,433.40 - Step 5: Solve for x
x = 12,352,522,307,433.40/4,031,259.74 - Step 6: Final answer
x = 3,064,184.18
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1.5x scale
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.