Finding the Fourth Proportional to 6,409,097.84, 8,835,132.12 and 4,878,539.12
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Solution
The fourth proportional to 6,409,097.84, 8,835,132.12 and 4,878,539.12 is: 6,725,211.37
Step by Step Solution
- Step 1: Write the proportion equation
6,409,097.84 : 8,835,132.12 = 4,878,539.12 : x - Step 2: Convert to fraction form
6,409,097.84/8,835,132.12 = 4,878,539.12/x - Step 3: Cross multiply
6,409,097.84x = 8,835,132.12 × 4,878,539.12 - Step 4: Simplify right side
6,409,097.84x = 43,102,537,677,788.53 - Step 5: Solve for x
x = 43,102,537,677,788.53/6,409,097.84 - Step 6: Final answer
x = 6,725,211.37
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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.