Finding the Fourth Proportional to 4,480,013.84, 6,720,045.06 and 1,114,220.84
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Solution
The fourth proportional to 4,480,013.84, 6,720,045.06 and 1,114,220.84 is: 1,671,337.30
Step by Step Solution
- Step 1: Write the proportion equation
4,480,013.84 : 6,720,045.06 = 1,114,220.84 : x - Step 2: Convert to fraction form
4,480,013.84/6,720,045.06 = 1,114,220.84/x - Step 3: Cross multiply
4,480,013.84x = 6,720,045.06 × 1,114,220.84 - Step 4: Simplify right side
4,480,013.84x = 7,487,614,251,591.05 - Step 5: Solve for x
x = 7,487,614,251,591.05/4,480,013.84 - Step 6: Final answer
x = 1,671,337.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.