Finding the Fourth Proportional to 2,187,336.04, 3,018,532.08 and 1,220,507.08
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Solution
The fourth proportional to 2,187,336.04, 3,018,532.08 and 1,220,507.08 is: 1,684,304.43
Step by Step Solution
- Step 1: Write the proportion equation
2,187,336.04 : 3,018,532.08 = 1,220,507.08 : x - Step 2: Convert to fraction form
2,187,336.04/3,018,532.08 = 1,220,507.08/x - Step 3: Cross multiply
2,187,336.04x = 3,018,532.08 × 1,220,507.08 - Step 4: Simplify right side
2,187,336.04x = 3,684,139,774,847.13 - Step 5: Solve for x
x = 3,684,139,774,847.13/2,187,336.04 - Step 6: Final answer
x = 1,684,304.43
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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.