Finding the Fourth Proportional to 1,977,419.79, 2,966,128.47 and 714,952.17
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Solution
The fourth proportional to 1,977,419.79, 2,966,128.47 and 714,952.17 is: 1,072,427.82
Step by Step Solution
- Step 1: Write the proportion equation
1,977,419.79 : 2,966,128.47 = 714,952.17 : x - Step 2: Convert to fraction form
1,977,419.79/2,966,128.47 = 714,952.17/x - Step 3: Cross multiply
1,977,419.79x = 2,966,128.47 × 714,952.17 - Step 4: Simplify right side
1,977,419.79x = 2,120,639,986,125.28 - Step 5: Solve for x
x = 2,120,639,986,125.28/1,977,419.79 - Step 6: Final answer
x = 1,072,427.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.