Finding the Fourth Proportional to 2,175,542.04, 3,002,071.99 and 1,257,830.06
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Solution
The fourth proportional to 2,175,542.04, 3,002,071.99 and 1,257,830.06 is: 1,735,703.71
Step by Step Solution
- Step 1: Write the proportion equation
2,175,542.04 : 3,002,071.99 = 1,257,830.06 : x - Step 2: Convert to fraction form
2,175,542.04/3,002,071.99 = 1,257,830.06/x - Step 3: Cross multiply
2,175,542.04x = 3,002,071.99 × 1,257,830.06 - Step 4: Simplify right side
2,175,542.04x = 3,776,096,391,306.02 - Step 5: Solve for x
x = 3,776,096,391,306.02/2,175,542.04 - Step 6: Final answer
x = 1,735,703.71
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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.