Home / 4,678,802.40-7,018,203.60-1,313,009.40

Finding the Fourth Proportional to 4,678,802.40, 7,018,203.60 and 1,313,009.40

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Solution

The fourth proportional to 4,678,802.40, 7,018,203.60 and 1,313,009.40 is: 1,969,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,802.40 : 7,018,203.60 = 1,313,009.40 : x
  2. Step 2: Convert to fraction form
    4,678,802.40/7,018,203.60 = 1,313,009.40/x
  3. Step 3: Cross multiply
    4,678,802.40x = 7,018,203.60 × 1,313,009.40
  4. Step 4: Simplify right side
    4,678,802.40x = 9,214,967,297,913.84
  5. Step 5: Solve for x
    x = 9,214,967,297,913.84/4,678,802.40
  6. Step 6: Final answer
    x = 1,969,514.10

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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.