Finding the Fourth Proportional to 2,774,473.45, 4,161,616.36 and 977,309.95
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Solution
The fourth proportional to 2,774,473.45, 4,161,616.36 and 977,309.95 is: 1,465,931.88
Step by Step Solution
- Step 1: Write the proportion equation
2,774,473.45 : 4,161,616.36 = 977,309.95 : x - Step 2: Convert to fraction form
2,774,473.45/4,161,616.36 = 977,309.95/x - Step 3: Cross multiply
2,774,473.45x = 4,161,616.36 × 977,309.95 - Step 4: Simplify right side
2,774,473.45x = 4,067,189,076,710.78 - Step 5: Solve for x
x = 4,067,189,076,710.78/2,774,473.45 - Step 6: Final answer
x = 1,465,931.88
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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.