Finding the Fourth Proportional to 1,525,432.19, 2,104,767.58 and 880,478.71
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Solution
The fourth proportional to 1,525,432.19, 2,104,767.58 and 880,478.71 is: 1,214,870.81
Step by Step Solution
- Step 1: Write the proportion equation
1,525,432.19 : 2,104,767.58 = 880,478.71 : x - Step 2: Convert to fraction form
1,525,432.19/2,104,767.58 = 880,478.71/x - Step 3: Cross multiply
1,525,432.19x = 2,104,767.58 × 880,478.71 - Step 4: Simplify right side
1,525,432.19x = 1,853,203,036,225.11 - Step 5: Solve for x
x = 1,853,203,036,225.11/1,525,432.19 - Step 6: Final answer
x = 1,214,870.81
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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.