Home / 1,681,502.49-2,319,437.79-1,198,223.79

Finding the Fourth Proportional to 1,681,502.49, 2,319,437.79 and 1,198,223.79

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Solution

The fourth proportional to 1,681,502.49, 2,319,437.79 and 1,198,223.79 is: 1,652,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,502.49 : 2,319,437.79 = 1,198,223.79 : x
  2. Step 2: Convert to fraction form
    1,681,502.49/2,319,437.79 = 1,198,223.79/x
  3. Step 3: Cross multiply
    1,681,502.49x = 2,319,437.79 × 1,198,223.79
  4. Step 4: Simplify right side
    1,681,502.49x = 2,779,205,539,403.02
  5. Step 5: Solve for x
    x = 2,779,205,539,403.02/1,681,502.49
  6. Step 6: Final answer
    x = 1,652,810.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.