Finding the Fourth Proportional to 1,911,252.84, 2,637,475.92 and 1,084,476.93
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Solution
The fourth proportional to 1,911,252.84, 2,637,475.92 and 1,084,476.93 is: 1,496,548.09
Step by Step Solution
- Step 1: Write the proportion equation
1,911,252.84 : 2,637,475.92 = 1,084,476.93 : x - Step 2: Convert to fraction form
1,911,252.84/2,637,475.92 = 1,084,476.93/x - Step 3: Cross multiply
1,911,252.84x = 2,637,475.92 × 1,084,476.93 - Step 4: Simplify right side
1,911,252.84x = 2,860,281,788,670.53 - Step 5: Solve for x
x = 2,860,281,788,670.53/1,911,252.84 - Step 6: Final answer
x = 1,496,548.09
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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.