Finding the Fourth Proportional to 977,101.80, 1,465,652.70 and 879,124.20
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Solution
The fourth proportional to 977,101.80, 1,465,652.70 and 879,124.20 is: 1,318,686.30
Step by Step Solution
- Step 1: Write the proportion equation
977,101.80 : 1,465,652.70 = 879,124.20 : x - Step 2: Convert to fraction form
977,101.80/1,465,652.70 = 879,124.20/x - Step 3: Cross multiply
977,101.80x = 1,465,652.70 × 879,124.20 - Step 4: Simplify right side
977,101.80x = 1,288,490,757,365.34 - Step 5: Solve for x
x = 1,288,490,757,365.34/977,101.80 - Step 6: Final answer
x = 1,318,686.30
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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.