Finding the Fourth Proportional to 1,878,621.42, 2,592,502.58 and 1,019,181.68
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Solution
The fourth proportional to 1,878,621.42, 2,592,502.58 and 1,019,181.68 is: 1,406,473.43
Step by Step Solution
- Step 1: Write the proportion equation
1,878,621.42 : 2,592,502.58 = 1,019,181.68 : x - Step 2: Convert to fraction form
1,878,621.42/2,592,502.58 = 1,019,181.68/x - Step 3: Cross multiply
1,878,621.42x = 2,592,502.58 × 1,019,181.68 - Step 4: Simplify right side
1,878,621.42x = 2,642,231,116,830.31 - Step 5: Solve for x
x = 2,642,231,116,830.31/1,878,621.42 - Step 6: Final answer
x = 1,406,473.43
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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.