Finding the Fourth Proportional to 7,828,419.25, 10,803,215.19 and 4,564,603.63
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Solution
The fourth proportional to 7,828,419.25, 10,803,215.19 and 4,564,603.63 is: 6,299,151.04
Step by Step Solution
- Step 1: Write the proportion equation
7,828,419.25 : 10,803,215.19 = 4,564,603.63 : x - Step 2: Convert to fraction form
7,828,419.25/10,803,215.19 = 4,564,603.63/x - Step 3: Cross multiply
7,828,419.25x = 10,803,215.19 × 4,564,603.63 - Step 4: Simplify right side
7,828,419.25x = 49,312,395,271,945.13 - Step 5: Solve for x
x = 49,312,395,271,945.13/7,828,419.25 - Step 6: Final answer
x = 6,299,151.04
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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.