Finding the Fourth Proportional to 1,528,070.71, 2,108,794.49 and 916,323.07
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Solution
The fourth proportional to 1,528,070.71, 2,108,794.49 and 916,323.07 is: 1,264,559.96
Step by Step Solution
- Step 1: Write the proportion equation
1,528,070.71 : 2,108,794.49 = 916,323.07 : x - Step 2: Convert to fraction form
1,528,070.71/2,108,794.49 = 916,323.07/x - Step 3: Cross multiply
1,528,070.71x = 2,108,794.49 × 916,323.07 - Step 4: Simplify right side
1,528,070.71x = 1,932,337,041,075.88 - Step 5: Solve for x
x = 1,932,337,041,075.88/1,528,070.71 - Step 6: Final answer
x = 1,264,559.96
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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.