Finding the Fourth Proportional to 2,913,643.10, 4,371,725.55 and 1,564,231.70
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Solution
The fourth proportional to 2,913,643.10, 4,371,725.55 and 1,564,231.70 is: 2,347,024.48
Step by Step Solution
- Step 1: Write the proportion equation
2,913,643.10 : 4,371,725.55 = 1,564,231.70 : x - Step 2: Convert to fraction form
2,913,643.10/4,371,725.55 = 1,564,231.70/x - Step 3: Cross multiply
2,913,643.10x = 4,371,725.55 × 1,564,231.70 - Step 4: Simplify right side
2,913,643.10x = 6,838,391,689,009.94 - Step 5: Solve for x
x = 6,838,391,689,009.94/2,913,643.10 - Step 6: Final answer
x = 2,347,024.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.