Finding the Fourth Proportional to 1,626,125.84, 2,243,978.06 and 891,075.74
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Solution
The fourth proportional to 1,626,125.84, 2,243,978.06 and 891,075.74 is: 1,229,643.10
Step by Step Solution
- Step 1: Write the proportion equation
1,626,125.84 : 2,243,978.06 = 891,075.74 : x - Step 2: Convert to fraction form
1,626,125.84/2,243,978.06 = 891,075.74/x - Step 3: Cross multiply
1,626,125.84x = 2,243,978.06 × 891,075.74 - Step 4: Simplify right side
1,626,125.84x = 1,999,554,411,512.83 - Step 5: Solve for x
x = 1,999,554,411,512.83/1,626,125.84 - Step 6: Final answer
x = 1,229,643.10
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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.