Finding the Fourth Proportional to 1,584,300.71, 2,186,335.49 and 859,148.21
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Solution
The fourth proportional to 1,584,300.71, 2,186,335.49 and 859,148.21 is: 1,185,624.80
Step by Step Solution
- Step 1: Write the proportion equation
1,584,300.71 : 2,186,335.49 = 859,148.21 : x - Step 2: Convert to fraction form
1,584,300.71/2,186,335.49 = 859,148.21/x - Step 3: Cross multiply
1,584,300.71x = 2,186,335.49 × 859,148.21 - Step 4: Simplify right side
1,584,300.71x = 1,878,386,207,465.55 - Step 5: Solve for x
x = 1,878,386,207,465.55/1,584,300.71 - Step 6: Final answer
x = 1,185,624.80
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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.