Finding the Fourth Proportional to 2,316,897.10, 3,475,345.65 and 2,186,989.30
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Solution
The fourth proportional to 2,316,897.10, 3,475,345.65 and 2,186,989.30 is: 3,280,483.95
Step by Step Solution
- Step 1: Write the proportion equation
2,316,897.10 : 3,475,345.65 = 2,186,989.30 : x - Step 2: Convert to fraction form
2,316,897.10/3,475,345.65 = 2,186,989.30/x - Step 3: Cross multiply
2,316,897.10x = 3,475,345.65 × 2,186,989.30 - Step 4: Simplify right side
2,316,897.10x = 7,600,543,750,351.54 - Step 5: Solve for x
x = 7,600,543,750,351.54/2,316,897.10 - Step 6: Final answer
x = 3,280,483.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.