Finding the Fourth Proportional to 1,525,689.84, 2,105,478.70 and 837,426.08
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Solution
The fourth proportional to 1,525,689.84, 2,105,478.70 and 837,426.08 is: 1,155,662.66
Step by Step Solution
- Step 1: Write the proportion equation
1,525,689.84 : 2,105,478.70 = 837,426.08 : x - Step 2: Convert to fraction form
1,525,689.84/2,105,478.70 = 837,426.08/x - Step 3: Cross multiply
1,525,689.84x = 2,105,478.70 × 837,426.08 - Step 4: Simplify right side
1,525,689.84x = 1,763,182,774,264.50 - Step 5: Solve for x
x = 1,763,182,774,264.50/1,525,689.84 - Step 6: Final answer
x = 1,155,662.66
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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.