Finding the Fourth Proportional to 2,866,803.12, 3,955,297.64 and 1,626,209.00
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Solution
The fourth proportional to 2,866,803.12, 3,955,297.64 and 1,626,209.00 is: 2,243,663.18
Step by Step Solution
- Step 1: Write the proportion equation
2,866,803.12 : 3,955,297.64 = 1,626,209.00 : x - Step 2: Convert to fraction form
2,866,803.12/3,955,297.64 = 1,626,209.00/x - Step 3: Cross multiply
2,866,803.12x = 3,955,297.64 × 1,626,209.00 - Step 4: Simplify right side
2,866,803.12x = 6,432,140,591,939.23 - Step 5: Solve for x
x = 6,432,140,591,939.23/2,866,803.12 - Step 6: Final answer
x = 2,243,663.18
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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.