Finding the Fourth Proportional to 1,671,836.72, 2,307,840.93 and 1,128,708.18
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Solution
The fourth proportional to 1,671,836.72, 2,307,840.93 and 1,128,708.18 is: 1,558,094.11
Step by Step Solution
- Step 1: Write the proportion equation
1,671,836.72 : 2,307,840.93 = 1,128,708.18 : x - Step 2: Convert to fraction form
1,671,836.72/2,307,840.93 = 1,128,708.18/x - Step 3: Cross multiply
1,671,836.72x = 2,307,840.93 × 1,128,708.18 - Step 4: Simplify right side
1,671,836.72x = 2,604,878,935,829.81 - Step 5: Solve for x
x = 2,604,878,935,829.81/1,671,836.72 - Step 6: Final answer
x = 1,558,094.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.