Finding the Fourth Proportional to 4,830,564.40, 7,246,721.40 and 2,428,363.60
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Solution
The fourth proportional to 4,830,564.40, 7,246,721.40 and 2,428,363.60 is: 3,642,985.17
Step by Step Solution
- Step 1: Write the proportion equation
4,830,564.40 : 7,246,721.40 = 2,428,363.60 : x - Step 2: Convert to fraction form
4,830,564.40/7,246,721.40 = 2,428,363.60/x - Step 3: Cross multiply
4,830,564.40x = 7,246,721.40 × 2,428,363.60 - Step 4: Simplify right side
4,830,564.40x = 17,597,674,467,101.04 - Step 5: Solve for x
x = 17,597,674,467,101.04/4,830,564.40 - Step 6: Final answer
x = 3,642,985.17
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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.