Home / 1,989,495.20-2,984,539.08-710,003.36

Finding the Fourth Proportional to 1,989,495.20, 2,984,539.08 and 710,003.36

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Solution

The fourth proportional to 1,989,495.20, 2,984,539.08 and 710,003.36 is: 1,065,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,495.20 : 2,984,539.08 = 710,003.36 : x
  2. Step 2: Convert to fraction form
    1,989,495.20/2,984,539.08 = 710,003.36/x
  3. Step 3: Cross multiply
    1,989,495.20x = 2,984,539.08 × 710,003.36
  4. Step 4: Simplify right side
    1,989,495.20x = 2,119,032,774,851.31
  5. Step 5: Solve for x
    x = 2,119,032,774,851.31/1,989,495.20
  6. Step 6: Final answer
    x = 1,065,110.78

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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.