Finding the Fourth Proportional to 1,347,486.24, 2,018,945.65 and 813,886.26
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Solution
The fourth proportional to 1,347,486.24, 2,018,945.65 and 813,886.26 is: 1,219,450.02
Step by Step Solution
- Step 1: Write the proportion equation
1,347,486.24 : 2,018,945.65 = 813,886.26 : x - Step 2: Convert to fraction form
1,347,486.24/2,018,945.65 = 813,886.26/x - Step 3: Cross multiply
1,347,486.24x = 2,018,945.65 × 813,886.26 - Step 4: Simplify right side
1,347,486.24x = 1,643,192,125,242.74 - Step 5: Solve for x
x = 1,643,192,125,242.74/1,347,486.24 - Step 6: Final answer
x = 1,219,450.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.