Finding the Fourth Proportional to 2,528,982.84, 3,489,988.80 and 1,367,420.85
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Solution
The fourth proportional to 2,528,982.84, 3,489,988.80 and 1,367,420.85 is: 1,887,036.71
Step by Step Solution
- Step 1: Write the proportion equation
2,528,982.84 : 3,489,988.80 = 1,367,420.85 : x - Step 2: Convert to fraction form
2,528,982.84/3,489,988.80 = 1,367,420.85/x - Step 3: Cross multiply
2,528,982.84x = 3,489,988.80 × 1,367,420.85 - Step 4: Simplify right side
2,528,982.84x = 4,772,283,451,386.48 - Step 5: Solve for x
x = 4,772,283,451,386.48/2,528,982.84 - Step 6: Final answer
x = 1,887,036.71
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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.