Finding the Fourth Proportional to 2,828,122.23, 4,242,192.08 and 698,206.58
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Solution
The fourth proportional to 2,828,122.23, 4,242,192.08 and 698,206.58 is: 1,047,312.03
Step by Step Solution
- Step 1: Write the proportion equation
2,828,122.23 : 4,242,192.08 = 698,206.58 : x - Step 2: Convert to fraction form
2,828,122.23/4,242,192.08 = 698,206.58/x - Step 3: Cross multiply
2,828,122.23x = 4,242,192.08 × 698,206.58 - Step 4: Simplify right side
2,828,122.23x = 2,961,926,423,879.89 - Step 5: Solve for x
x = 2,961,926,423,879.89/2,828,122.23 - Step 6: Final answer
x = 1,047,312.03
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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.