Finding the Fourth Proportional to 1,779,177.30, 2,455,440.50 and 1,015,345.68
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Solution
The fourth proportional to 1,779,177.30, 2,455,440.50 and 1,015,345.68 is: 1,401,277.38
Step by Step Solution
- Step 1: Write the proportion equation
1,779,177.30 : 2,455,440.50 = 1,015,345.68 : x - Step 2: Convert to fraction form
1,779,177.30/2,455,440.50 = 1,015,345.68/x - Step 3: Cross multiply
1,779,177.30x = 2,455,440.50 × 1,015,345.68 - Step 4: Simplify right side
1,779,177.30x = 2,493,120,904,172.04 - Step 5: Solve for x
x = 2,493,120,904,172.04/1,779,177.30 - Step 6: Final answer
x = 1,401,277.38
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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.