Finding the Fourth Proportional to 7,919,897.44, 10,929,458.46 and 4,298,225.44
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Solution
The fourth proportional to 7,919,897.44, 10,929,458.46 and 4,298,225.44 is: 5,931,551.10
Step by Step Solution
- Step 1: Write the proportion equation
7,919,897.44 : 10,929,458.46 = 4,298,225.44 : x - Step 2: Convert to fraction form
7,919,897.44/10,929,458.46 = 4,298,225.44/x - Step 3: Cross multiply
7,919,897.44x = 10,929,458.46 × 4,298,225.44 - Step 4: Simplify right side
7,919,897.44x = 46,977,276,386,989.92 - Step 5: Solve for x
x = 46,977,276,386,989.92/7,919,897.44 - Step 6: Final answer
x = 5,931,551.10
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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.