Finding the Fourth Proportional to 5,282,280.30, 7,921,113.16 and 1,869,432.63
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Solution
The fourth proportional to 5,282,280.30, 7,921,113.16 and 1,869,432.63 is: 2,803,332.38
Step by Step Solution
- Step 1: Write the proportion equation
5,282,280.30 : 7,921,113.16 = 1,869,432.63 : x - Step 2: Convert to fraction form
5,282,280.30/7,921,113.16 = 1,869,432.63/x - Step 3: Cross multiply
5,282,280.30x = 7,921,113.16 × 1,869,432.63 - Step 4: Simplify right side
5,282,280.30x = 14,807,987,407,226.41 - Step 5: Solve for x
x = 14,807,987,407,226.41/5,282,280.30 - Step 6: Final answer
x = 2,803,332.38
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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.