Finding the Fourth Proportional to 3,211,422.93, 4,817,328.98 and 1,292,326.79
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Solution
The fourth proportional to 3,211,422.93, 4,817,328.98 and 1,292,326.79 is: 1,938,568.48
Step by Step Solution
- Step 1: Write the proportion equation
3,211,422.93 : 4,817,328.98 = 1,292,326.79 : x - Step 2: Convert to fraction form
3,211,422.93/4,817,328.98 = 1,292,326.79/x - Step 3: Cross multiply
3,211,422.93x = 4,817,328.98 × 1,292,326.79 - Step 4: Simplify right side
3,211,422.93x = 6,225,563,266,549.10 - Step 5: Solve for x
x = 6,225,563,266,549.10/3,211,422.93 - Step 6: Final answer
x = 1,938,568.48
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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.