Finding the Fourth Proportional to 1,913,117.28, 2,868,679.49 and 714,053.49
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Solution
The fourth proportional to 1,913,117.28, 2,868,679.49 and 714,053.49 is: 1,070,708.32
Step by Step Solution
- Step 1: Write the proportion equation
1,913,117.28 : 2,868,679.49 = 714,053.49 : x - Step 2: Convert to fraction form
1,913,117.28/2,868,679.49 = 714,053.49/x - Step 3: Cross multiply
1,913,117.28x = 2,868,679.49 × 714,053.49 - Step 4: Simplify right side
1,913,117.28x = 2,048,390,597,955.65 - Step 5: Solve for x
x = 2,048,390,597,955.65/1,913,117.28 - Step 6: Final answer
x = 1,070,708.32
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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.