Finding the Fourth Proportional to 6,889,488.06, 10,334,259.95 and 2,790,886.70
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Solution
The fourth proportional to 6,889,488.06, 10,334,259.95 and 2,790,886.70 is: 4,186,341.33
Step by Step Solution
- Step 1: Write the proportion equation
6,889,488.06 : 10,334,259.95 = 2,790,886.70 : x - Step 2: Convert to fraction form
6,889,488.06/10,334,259.95 = 2,790,886.70/x - Step 3: Cross multiply
6,889,488.06x = 10,334,259.95 × 2,790,886.70 - Step 4: Simplify right side
6,889,488.06x = 28,841,748,583,171.93 - Step 5: Solve for x
x = 28,841,748,583,171.93/6,889,488.06 - Step 6: Final answer
x = 4,186,341.33
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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.