Home / 5,235,053.40-7,852,678.56-1,640,740.86

Finding the Fourth Proportional to 5,235,053.40, 7,852,678.56 and 1,640,740.86

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Solution

The fourth proportional to 5,235,053.40, 7,852,678.56 and 1,640,740.86 is: 2,461,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235,053.40 : 7,852,678.56 = 1,640,740.86 : x
  2. Step 2: Convert to fraction form
    5,235,053.40/7,852,678.56 = 1,640,740.86/x
  3. Step 3: Cross multiply
    5,235,053.40x = 7,852,678.56 × 1,640,740.86
  4. Step 4: Simplify right side
    5,235,053.40x = 12,884,210,573,837.96
  5. Step 5: Solve for x
    x = 12,884,210,573,837.96/5,235,053.40
  6. Step 6: Final answer
    x = 2,461,142.15

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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.