Finding the Fourth Proportional to 2,137,412.95, 3,206,119.43 and 539,980.63
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Solution
The fourth proportional to 2,137,412.95, 3,206,119.43 and 539,980.63 is: 809,970.95
Step by Step Solution
- Step 1: Write the proportion equation
2,137,412.95 : 3,206,119.43 = 539,980.63 : x - Step 2: Convert to fraction form
2,137,412.95/3,206,119.43 = 539,980.63/x - Step 3: Cross multiply
2,137,412.95x = 3,206,119.43 × 539,980.63 - Step 4: Simplify right side
2,137,412.95x = 1,731,242,389,666.64 - Step 5: Solve for x
x = 1,731,242,389,666.64/2,137,412.95 - Step 6: Final answer
x = 809,970.95
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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.