Finding the Fourth Proportional to 2,516,335.93, 3,472,641.87 and 1,428,708.70
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Solution
The fourth proportional to 2,516,335.93, 3,472,641.87 and 1,428,708.70 is: 1,971,673.82
Step by Step Solution
- Step 1: Write the proportion equation
2,516,335.93 : 3,472,641.87 = 1,428,708.70 : x - Step 2: Convert to fraction form
2,516,335.93/3,472,641.87 = 1,428,708.70/x - Step 3: Cross multiply
2,516,335.93x = 3,472,641.87 × 1,428,708.70 - Step 4: Simplify right side
2,516,335.93x = 4,961,393,668,439.71 - Step 5: Solve for x
x = 4,961,393,668,439.71/2,516,335.93 - Step 6: Final answer
x = 1,971,673.82
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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.