Finding the Fourth Proportional to 6,432,523.47, 8,873,531.78 and 5,210,209.17
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Solution
The fourth proportional to 6,432,523.47, 8,873,531.78 and 5,210,209.17 is: 7,187,374.73
Step by Step Solution
- Step 1: Write the proportion equation
6,432,523.47 : 8,873,531.78 = 5,210,209.17 : x - Step 2: Convert to fraction form
6,432,523.47/8,873,531.78 = 5,210,209.17/x - Step 3: Cross multiply
6,432,523.47x = 8,873,531.78 × 5,210,209.17 - Step 4: Simplify right side
6,432,523.47x = 46,232,956,624,391.38 - Step 5: Solve for x
x = 46,232,956,624,391.38/6,432,523.47 - Step 6: Final answer
x = 7,187,374.73
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1.5x scale
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.