Finding the Fourth Proportional to 6,343,455.78, 8,753,746.95 and 3,442,788.54
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Solution
The fourth proportional to 6,343,455.78, 8,753,746.95 and 3,442,788.54 is: 4,750,927.68
Step by Step Solution
- Step 1: Write the proportion equation
6,343,455.78 : 8,753,746.95 = 3,442,788.54 : x - Step 2: Convert to fraction form
6,343,455.78/8,753,746.95 = 3,442,788.54/x - Step 3: Cross multiply
6,343,455.78x = 8,753,746.95 × 3,442,788.54 - Step 4: Simplify right side
6,343,455.78x = 30,137,299,681,519.95 - Step 5: Solve for x
x = 30,137,299,681,519.95/6,343,455.78 - Step 6: Final answer
x = 4,750,927.68
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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.