Finding the Fourth Proportional to 1,490,537.03, 2,056,941.06 and 811,473.53
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Solution
The fourth proportional to 1,490,537.03, 2,056,941.06 and 811,473.53 is: 1,119,833.45
Step by Step Solution
- Step 1: Write the proportion equation
1,490,537.03 : 2,056,941.06 = 811,473.53 : x - Step 2: Convert to fraction form
1,490,537.03/2,056,941.06 = 811,473.53/x - Step 3: Cross multiply
1,490,537.03x = 2,056,941.06 × 811,473.53 - Step 4: Simplify right side
1,490,537.03x = 1,669,153,212,675.44 - Step 5: Solve for x
x = 1,669,153,212,675.44/1,490,537.03 - Step 6: Final answer
x = 1,119,833.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.