Finding the Fourth Proportional to 1,606,303.50, 2,216,702.19 and 881,157.07
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Solution
The fourth proportional to 1,606,303.50, 2,216,702.19 and 881,157.07 is: 1,215,998.60
Step by Step Solution
- Step 1: Write the proportion equation
1,606,303.50 : 2,216,702.19 = 881,157.07 : x - Step 2: Convert to fraction form
1,606,303.50/2,216,702.19 = 881,157.07/x - Step 3: Cross multiply
1,606,303.50x = 2,216,702.19 × 881,157.07 - Step 4: Simplify right side
1,606,303.50x = 1,953,262,806,802.98 - Step 5: Solve for x
x = 1,953,262,806,802.98/1,606,303.50 - Step 6: Final answer
x = 1,215,998.60
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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.