Finding the Fourth Proportional to 1,433,515.68, 1,977,428.70 and 896,038.56
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Solution
The fourth proportional to 1,433,515.68, 1,977,428.70 and 896,038.56 is: 1,236,018.82
Step by Step Solution
- Step 1: Write the proportion equation
1,433,515.68 : 1,977,428.70 = 896,038.56 : x - Step 2: Convert to fraction form
1,433,515.68/1,977,428.70 = 896,038.56/x - Step 3: Cross multiply
1,433,515.68x = 1,977,428.70 × 896,038.56 - Step 4: Simplify right side
1,433,515.68x = 1,771,852,364,850.67 - Step 5: Solve for x
x = 1,771,852,364,850.67/1,433,515.68 - Step 6: Final answer
x = 1,236,018.82
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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.