Finding the Fourth Proportional to 2,124,363.84, 2,931,585.12 and 1,157,502.08
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Solution
The fourth proportional to 2,124,363.84, 2,931,585.12 and 1,157,502.08 is: 1,597,332.72
Step by Step Solution
- Step 1: Write the proportion equation
2,124,363.84 : 2,931,585.12 = 1,157,502.08 : x - Step 2: Convert to fraction form
2,124,363.84/2,931,585.12 = 1,157,502.08/x - Step 3: Cross multiply
2,124,363.84x = 2,931,585.12 × 1,157,502.08 - Step 4: Simplify right side
2,124,363.84x = 3,393,315,874,097.05 - Step 5: Solve for x
x = 3,393,315,874,097.05/2,124,363.84 - Step 6: Final answer
x = 1,597,332.72
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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.