Finding the Fourth Proportional to 1,986,672, 2,744,395.20 and 1,771,743.36
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Solution
The fourth proportional to 1,986,672, 2,744,395.20 and 1,771,743.36 is: 2,447,492.07
Step by Step Solution
- Step 1: Write the proportion equation
1,986,672 : 2,744,395.20 = 1,771,743.36 : x - Step 2: Convert to fraction form
1,986,672/2,744,395.20 = 1,771,743.36/x - Step 3: Cross multiply
1,986,672x = 2,744,395.20 × 1,771,743.36 - Step 4: Simplify right side
1,986,672x = 4,862,363,972,815.87 - Step 5: Solve for x
x = 4,862,363,972,815.87/1,986,672 - Step 6: Final answer
x = 2,447,492.07
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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.