Finding the Fourth Proportional to 4,272,720.84, 5,896,354.32 and 2,312,598.55
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Solution
The fourth proportional to 4,272,720.84, 5,896,354.32 and 2,312,598.55 is: 3,191,385.76
Step by Step Solution
- Step 1: Write the proportion equation
4,272,720.84 : 5,896,354.32 = 2,312,598.55 : x - Step 2: Convert to fraction form
4,272,720.84/5,896,354.32 = 2,312,598.55/x - Step 3: Cross multiply
4,272,720.84x = 5,896,354.32 × 2,312,598.55 - Step 4: Simplify right side
4,272,720.84x = 13,635,900,450,718.24 - Step 5: Solve for x
x = 13,635,900,450,718.24/4,272,720.84 - Step 6: Final answer
x = 3,191,385.76
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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.