Finding the Fourth Proportional to 4,139,897.80, 5,708,169.48 and 2,833,779.28
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Solution
The fourth proportional to 4,139,897.80, 5,708,169.48 and 2,833,779.28 is: 3,907,268.53
Step by Step Solution
- Step 1: Write the proportion equation
4,139,897.80 : 5,708,169.48 = 2,833,779.28 : x - Step 2: Convert to fraction form
4,139,897.80/5,708,169.48 = 2,833,779.28/x - Step 3: Cross multiply
4,139,897.80x = 5,708,169.48 × 2,833,779.28 - Step 4: Simplify right side
4,139,897.80x = 16,175,692,399,152.38 - Step 5: Solve for x
x = 16,175,692,399,152.38/4,139,897.80 - Step 6: Final answer
x = 3,907,268.53
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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.