Finding the Fourth Proportional to 3,388,428.95, 4,676,031.98 and 1,860,536.08
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Solution
The fourth proportional to 3,388,428.95, 4,676,031.98 and 1,860,536.08 is: 2,567,539.81
Step by Step Solution
- Step 1: Write the proportion equation
3,388,428.95 : 4,676,031.98 = 1,860,536.08 : x - Step 2: Convert to fraction form
3,388,428.95/4,676,031.98 = 1,860,536.08/x - Step 3: Cross multiply
3,388,428.95x = 4,676,031.98 × 1,860,536.08 - Step 4: Simplify right side
3,388,428.95x = 8,699,926,210,023.84 - Step 5: Solve for x
x = 8,699,926,210,023.84/3,388,428.95 - Step 6: Final answer
x = 2,567,539.81
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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.