Finding the Fourth Proportional to 6,878,553.31, 10,317,873.93 and 2,020,839.94
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Solution
The fourth proportional to 6,878,553.31, 10,317,873.93 and 2,020,839.94 is: 3,031,272.82
Step by Step Solution
- Step 1: Write the proportion equation
6,878,553.31 : 10,317,873.93 = 2,020,839.94 : x - Step 2: Convert to fraction form
6,878,553.31/10,317,873.93 = 2,020,839.94/x - Step 3: Cross multiply
6,878,553.31x = 10,317,873.93 × 2,020,839.94 - Step 4: Simplify right side
6,878,553.31x = 20,850,771,671,935.20 - Step 5: Solve for x
x = 20,850,771,671,935.20/6,878,553.31 - Step 6: Final answer
x = 3,031,272.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.