Finding the Fourth Proportional to 5,252,602, 7,249,148.84 and 3,078,972.08
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Solution
The fourth proportional to 5,252,602, 7,249,148.84 and 3,078,972.08 is: 4,249,308.61
Step by Step Solution
- Step 1: Write the proportion equation
5,252,602 : 7,249,148.84 = 3,078,972.08 : x - Step 2: Convert to fraction form
5,252,602/7,249,148.84 = 3,078,972.08/x - Step 3: Cross multiply
5,252,602x = 7,249,148.84 × 3,078,972.08 - Step 4: Simplify right side
5,252,602x = 22,319,926,882,124.39 - Step 5: Solve for x
x = 22,319,926,882,124.39/5,252,602 - Step 6: Final answer
x = 4,249,308.61
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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.