Finding the Fourth Proportional to 5,355,667.80, 7,390,813.14 and 2,941,219.80
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Solution
The fourth proportional to 5,355,667.80, 7,390,813.14 and 2,941,219.80 is: 4,058,878.70
Step by Step Solution
- Step 1: Write the proportion equation
5,355,667.80 : 7,390,813.14 = 2,941,219.80 : x - Step 2: Convert to fraction form
5,355,667.80/7,390,813.14 = 2,941,219.80/x - Step 3: Cross multiply
5,355,667.80x = 7,390,813.14 × 2,941,219.80 - Step 4: Simplify right side
5,355,667.80x = 21,738,005,945,468.17 - Step 5: Solve for x
x = 21,738,005,945,468.17/5,355,667.80 - Step 6: Final answer
x = 4,058,878.70
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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.