Finding the Fourth Proportional to 1,620,101.87, 2,427,490.12 and 554,562.66
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Solution
The fourth proportional to 1,620,101.87, 2,427,490.12 and 554,562.66 is: 830,932.55
Step by Step Solution
- Step 1: Write the proportion equation
1,620,101.87 : 2,427,490.12 = 554,562.66 : x - Step 2: Convert to fraction form
1,620,101.87/2,427,490.12 = 554,562.66/x - Step 3: Cross multiply
1,620,101.87x = 2,427,490.12 × 554,562.66 - Step 4: Simplify right side
1,620,101.87x = 1,346,195,378,070.92 - Step 5: Solve for x
x = 1,346,195,378,070.92/1,620,101.87 - Step 6: Final answer
x = 830,932.55
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1.5x scale
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.