Finding the Fourth Proportional to 2,548,264.74, 3,516,605.99 and 1,402,345.05
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Solution
The fourth proportional to 2,548,264.74, 3,516,605.99 and 1,402,345.05 is: 1,935,236.53
Step by Step Solution
- Step 1: Write the proportion equation
2,548,264.74 : 3,516,605.99 = 1,402,345.05 : x - Step 2: Convert to fraction form
2,548,264.74/3,516,605.99 = 1,402,345.05/x - Step 3: Cross multiply
2,548,264.74x = 3,516,605.99 × 1,402,345.05 - Step 4: Simplify right side
2,548,264.74x = 4,931,495,002,876.85 - Step 5: Solve for x
x = 4,931,495,002,876.85/2,548,264.74 - Step 6: Final answer
x = 1,935,236.53
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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.