Finding the Fourth Proportional to 2,277,346.12, 3,140,702.17 and 1,889,547.55
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Solution
The fourth proportional to 2,277,346.12, 3,140,702.17 and 1,889,547.55 is: 2,605,886.75
Step by Step Solution
- Step 1: Write the proportion equation
2,277,346.12 : 3,140,702.17 = 1,889,547.55 : x - Step 2: Convert to fraction form
2,277,346.12/3,140,702.17 = 1,889,547.55/x - Step 3: Cross multiply
2,277,346.12x = 3,140,702.17 × 1,889,547.55 - Step 4: Simplify right side
2,277,346.12x = 5,934,506,090,603.18 - Step 5: Solve for x
x = 5,934,506,090,603.18/2,277,346.12 - Step 6: Final answer
x = 2,605,886.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.