Finding the Fourth Proportional to 5,390,776.38, 7,439,374.98 and 2,943,484.42
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Solution
The fourth proportional to 5,390,776.38, 7,439,374.98 and 2,943,484.42 is: 4,062,065.06
Step by Step Solution
- Step 1: Write the proportion equation
5,390,776.38 : 7,439,374.98 = 2,943,484.42 : x - Step 2: Convert to fraction form
5,390,776.38/7,439,374.98 = 2,943,484.42/x - Step 3: Cross multiply
5,390,776.38x = 7,439,374.98 × 2,943,484.42 - Step 4: Simplify right side
5,390,776.38x = 21,897,684,374,124.96 - Step 5: Solve for x
x = 21,897,684,374,124.96/5,390,776.38 - Step 6: Final answer
x = 4,062,065.06
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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.