Home / 1,354,021.23-2,018,926.53-1,316,820.36

Finding the Fourth Proportional to 1,354,021.23, 2,018,926.53 and 1,316,820.36

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Solution

The fourth proportional to 1,354,021.23, 2,018,926.53 and 1,316,820.36 is: 1,963,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,021.23 : 2,018,926.53 = 1,316,820.36 : x
  2. Step 2: Convert to fraction form
    1,354,021.23/2,018,926.53 = 1,316,820.36/x
  3. Step 3: Cross multiply
    1,354,021.23x = 2,018,926.53 × 1,316,820.36
  4. Step 4: Simplify right side
    1,354,021.23x = 2,658,563,560,048.15
  5. Step 5: Solve for x
    x = 2,658,563,560,048.15/1,354,021.23
  6. Step 6: Final answer
    x = 1,963,457.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.