Home / 2,021,125.65-3,031,688.48-1,010,403.60

Finding the Fourth Proportional to 2,021,125.65, 3,031,688.48 and 1,010,403.60

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Solution

The fourth proportional to 2,021,125.65, 3,031,688.48 and 1,010,403.60 is: 1,515,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,125.65 : 3,031,688.48 = 1,010,403.60 : x
  2. Step 2: Convert to fraction form
    2,021,125.65/3,031,688.48 = 1,010,403.60/x
  3. Step 3: Cross multiply
    2,021,125.65x = 3,031,688.48 × 1,010,403.60
  4. Step 4: Simplify right side
    2,021,125.65x = 3,063,228,949,218.51
  5. Step 5: Solve for x
    x = 3,063,228,949,218.51/2,021,125.65
  6. Step 6: Final answer
    x = 1,515,605.40

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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.