Finding the Fourth Proportional to 5,070,962.70, 6,997,888.35 and 2,779,117.92
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Solution
The fourth proportional to 5,070,962.70, 6,997,888.35 and 2,779,117.92 is: 3,835,160.71
Step by Step Solution
- Step 1: Write the proportion equation
5,070,962.70 : 6,997,888.35 = 2,779,117.92 : x - Step 2: Convert to fraction form
5,070,962.70/6,997,888.35 = 2,779,117.92/x - Step 3: Cross multiply
5,070,962.70x = 6,997,888.35 × 2,779,117.92 - Step 4: Simplify right side
5,070,962.70x = 19,447,956,915,644.23 - Step 5: Solve for x
x = 19,447,956,915,644.23/5,070,962.70 - Step 6: Final answer
x = 3,835,160.71
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1.5x scale
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.