Finding the Fourth Proportional to 6,516,918.10, 9,778,876.35 and 2,730,783.70
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Solution
The fourth proportional to 6,516,918.10, 9,778,876.35 and 2,730,783.70 is: 4,097,641.82
Step by Step Solution
- Step 1: Write the proportion equation
6,516,918.10 : 9,778,876.35 = 2,730,783.70 : x - Step 2: Convert to fraction form
6,516,918.10/9,778,876.35 = 2,730,783.70/x - Step 3: Cross multiply
6,516,918.10x = 9,778,876.35 × 2,730,783.70 - Step 4: Simplify right side
6,516,918.10x = 26,703,996,140,895.50 - Step 5: Solve for x
x = 26,703,996,140,895.50/6,516,918.10 - Step 6: Final answer
x = 4,097,641.82
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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.