Finding the Fourth Proportional to 1,681,203.16, 2,506,998.14 and 1,666,039.96
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Solution
The fourth proportional to 1,681,203.16, 2,506,998.14 and 1,666,039.96 is: 2,484,386.88
Step by Step Solution
- Step 1: Write the proportion equation
1,681,203.16 : 2,506,998.14 = 1,666,039.96 : x - Step 2: Convert to fraction form
1,681,203.16/2,506,998.14 = 1,666,039.96/x - Step 3: Cross multiply
1,681,203.16x = 2,506,998.14 × 1,666,039.96 - Step 4: Simplify right side
1,681,203.16x = 4,176,759,080,885.67 - Step 5: Solve for x
x = 4,176,759,080,885.67/1,681,203.16 - Step 6: Final answer
x = 2,484,386.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.