Finding the Fourth Proportional to 5,423,554.16, 7,484,484.12 and 2,976,205.76
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Solution
The fourth proportional to 5,423,554.16, 7,484,484.12 and 2,976,205.76 is: 4,107,152.63
Step by Step Solution
- Step 1: Write the proportion equation
5,423,554.16 : 7,484,484.12 = 2,976,205.76 : x - Step 2: Convert to fraction form
5,423,554.16/7,484,484.12 = 2,976,205.76/x - Step 3: Cross multiply
5,423,554.16x = 7,484,484.12 × 2,976,205.76 - Step 4: Simplify right side
5,423,554.16x = 22,275,364,748,572.53 - Step 5: Solve for x
x = 22,275,364,748,572.53/5,423,554.16 - Step 6: Final answer
x = 4,107,152.63
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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.