Finding the Fourth Proportional to 1,560,686.50, 2,153,922.42 and 881,666.74
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Solution
The fourth proportional to 1,560,686.50, 2,153,922.42 and 881,666.74 is: 1,216,798.99
Step by Step Solution
- Step 1: Write the proportion equation
1,560,686.50 : 2,153,922.42 = 881,666.74 : x - Step 2: Convert to fraction form
1,560,686.50/2,153,922.42 = 881,666.74/x - Step 3: Cross multiply
1,560,686.50x = 2,153,922.42 × 881,666.74 - Step 4: Simplify right side
1,560,686.50x = 1,899,041,758,254.31 - Step 5: Solve for x
x = 1,899,041,758,254.31/1,560,686.50 - Step 6: Final answer
x = 1,216,798.99
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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.