Finding the Fourth Proportional to 1,565,023.28, 2,159,699.64 and 849,631.28
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Solution
The fourth proportional to 1,565,023.28, 2,159,699.64 and 849,631.28 is: 1,172,473.53
Step by Step Solution
- Step 1: Write the proportion equation
1,565,023.28 : 2,159,699.64 = 849,631.28 : x - Step 2: Convert to fraction form
1,565,023.28/2,159,699.64 = 849,631.28/x - Step 3: Cross multiply
1,565,023.28x = 2,159,699.64 × 849,631.28 - Step 4: Simplify right side
1,565,023.28x = 1,834,948,369,548.74 - Step 5: Solve for x
x = 1,834,948,369,548.74/1,565,023.28 - Step 6: Final answer
x = 1,172,473.53
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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.