Finding the Fourth Proportional to 6,117,774.51, 8,440,139.48 and 3,502,881.21
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Solution
The fourth proportional to 6,117,774.51, 8,440,139.48 and 3,502,881.21 is: 4,832,607.99
Step by Step Solution
- Step 1: Write the proportion equation
6,117,774.51 : 8,440,139.48 = 3,502,881.21 : x - Step 2: Convert to fraction form
6,117,774.51/8,440,139.48 = 3,502,881.21/x - Step 3: Cross multiply
6,117,774.51x = 8,440,139.48 × 3,502,881.21 - Step 4: Simplify right side
6,117,774.51x = 29,564,805,976,756.76 - Step 5: Solve for x
x = 29,564,805,976,756.76/6,117,774.51 - Step 6: Final answer
x = 4,832,607.99
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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.