Finding the Fourth Proportional to 1,878,378.36, 2,816,342.52 and 1,236,740.08
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Solution
The fourth proportional to 1,878,378.36, 2,816,342.52 and 1,236,740.08 is: 1,854,303.56
Step by Step Solution
- Step 1: Write the proportion equation
1,878,378.36 : 2,816,342.52 = 1,236,740.08 : x - Step 2: Convert to fraction form
1,878,378.36/2,816,342.52 = 1,236,740.08/x - Step 3: Cross multiply
1,878,378.36x = 2,816,342.52 × 1,236,740.08 - Step 4: Simplify right side
1,878,378.36x = 3,483,083,673,492.20 - Step 5: Solve for x
x = 3,483,083,673,492.20/1,878,378.36 - Step 6: Final answer
x = 1,854,303.56
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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.