Home / 1,925,019.80-2,886,969.06-577,128.60

Finding the Fourth Proportional to 1,925,019.80, 2,886,969.06 and 577,128.60

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Solution

The fourth proportional to 1,925,019.80, 2,886,969.06 and 577,128.60 is: 865,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,019.80 : 2,886,969.06 = 577,128.60 : x
  2. Step 2: Convert to fraction form
    1,925,019.80/2,886,969.06 = 577,128.60/x
  3. Step 3: Cross multiply
    1,925,019.80x = 2,886,969.06 × 577,128.60
  4. Step 4: Simplify right side
    1,925,019.80x = 1,666,152,411,841.12
  5. Step 5: Solve for x
    x = 1,666,152,411,841.12/1,925,019.80
  6. Step 6: Final answer
    x = 865,524.82

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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.