Finding the Fourth Proportional to 5,134,476.60, 7,085,551.95 and 2,811,326.94
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Solution
The fourth proportional to 5,134,476.60, 7,085,551.95 and 2,811,326.94 is: 3,879,617.07
Step by Step Solution
- Step 1: Write the proportion equation
5,134,476.60 : 7,085,551.95 = 2,811,326.94 : x - Step 2: Convert to fraction form
5,134,476.60/7,085,551.95 = 2,811,326.94/x - Step 3: Cross multiply
5,134,476.60x = 7,085,551.95 × 2,811,326.94 - Step 4: Simplify right side
5,134,476.60x = 19,919,803,081,804.53 - Step 5: Solve for x
x = 19,919,803,081,804.53/5,134,476.60 - Step 6: Final answer
x = 3,879,617.07
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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.