Finding the Fourth Proportional to 1,565,644.14, 2,159,101.17 and 1,021,606.02
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Solution
The fourth proportional to 1,565,644.14, 2,159,101.17 and 1,021,606.02 is: 1,408,845.53
Step by Step Solution
- Step 1: Write the proportion equation
1,565,644.14 : 2,159,101.17 = 1,021,606.02 : x - Step 2: Convert to fraction form
1,565,644.14/2,159,101.17 = 1,021,606.02/x - Step 3: Cross multiply
1,565,644.14x = 2,159,101.17 × 1,021,606.02 - Step 4: Simplify right side
1,565,644.14x = 2,205,750,753,061.04 - Step 5: Solve for x
x = 2,205,750,753,061.04/1,565,644.14 - Step 6: Final answer
x = 1,408,845.53
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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.