Finding the Fourth Proportional to 1,907,319.68, 2,631,992.16 and 1,047,862.80
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Solution
The fourth proportional to 1,907,319.68, 2,631,992.16 and 1,047,862.80 is: 1,445,990.78
Step by Step Solution
- Step 1: Write the proportion equation
1,907,319.68 : 2,631,992.16 = 1,047,862.80 : x - Step 2: Convert to fraction form
1,907,319.68/2,631,992.16 = 1,047,862.80/x - Step 3: Cross multiply
1,907,319.68x = 2,631,992.16 × 1,047,862.80 - Step 4: Simplify right side
1,907,319.68x = 2,757,966,674,355.65 - Step 5: Solve for x
x = 2,757,966,674,355.65/1,907,319.68 - Step 6: Final answer
x = 1,445,990.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.