Finding the Fourth Proportional to 4,520,488.19, 6,238,386.20 and 2,455,503.13
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Solution
The fourth proportional to 4,520,488.19, 6,238,386.20 and 2,455,503.13 is: 3,388,655.43
Step by Step Solution
- Step 1: Write the proportion equation
4,520,488.19 : 6,238,386.20 = 2,455,503.13 : x - Step 2: Convert to fraction form
4,520,488.19/6,238,386.20 = 2,455,503.13/x - Step 3: Cross multiply
4,520,488.19x = 6,238,386.20 × 2,455,503.13 - Step 4: Simplify right side
4,520,488.19x = 15,318,376,840,248.81 - Step 5: Solve for x
x = 15,318,376,840,248.81/4,520,488.19 - Step 6: Final answer
x = 3,388,655.43
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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.