Finding the Fourth Proportional to 1,779,045.12, 2,452,642.02 and 1,125,345.96
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Solution
The fourth proportional to 1,779,045.12, 2,452,642.02 and 1,125,345.96 is: 1,551,433.83
Step by Step Solution
- Step 1: Write the proportion equation
1,779,045.12 : 2,452,642.02 = 1,125,345.96 : x - Step 2: Convert to fraction form
1,779,045.12/2,452,642.02 = 1,125,345.96/x - Step 3: Cross multiply
1,779,045.12x = 2,452,642.02 × 1,125,345.96 - Step 4: Simplify right side
1,779,045.12x = 2,760,070,788,533.24 - Step 5: Solve for x
x = 2,760,070,788,533.24/1,779,045.12 - Step 6: Final answer
x = 1,551,433.83
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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.