Finding the Fourth Proportional to 2,135,442.84, 2,950,111.98 and 1,402,136.88
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Solution
The fourth proportional to 2,135,442.84, 2,950,111.98 and 1,402,136.88 is: 1,937,050.59
Step by Step Solution
- Step 1: Write the proportion equation
2,135,442.84 : 2,950,111.98 = 1,402,136.88 : x - Step 2: Convert to fraction form
2,135,442.84/2,950,111.98 = 1,402,136.88/x - Step 3: Cross multiply
2,135,442.84x = 2,950,111.98 × 1,402,136.88 - Step 4: Simplify right side
2,135,442.84x = 4,136,460,807,287.82 - Step 5: Solve for x
x = 4,136,460,807,287.82/2,135,442.84 - Step 6: Final answer
x = 1,937,050.59
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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.