Home / 1,938,193.48-2,907,061.26-518,359.60

Finding the Fourth Proportional to 1,938,193.48, 2,907,061.26 and 518,359.60

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Solution

The fourth proportional to 1,938,193.48, 2,907,061.26 and 518,359.60 is: 777,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,193.48 : 2,907,061.26 = 518,359.60 : x
  2. Step 2: Convert to fraction form
    1,938,193.48/2,907,061.26 = 518,359.60/x
  3. Step 3: Cross multiply
    1,938,193.48x = 2,907,061.26 × 518,359.60
  4. Step 4: Simplify right side
    1,938,193.48x = 1,506,903,111,909.10
  5. Step 5: Solve for x
    x = 1,506,903,111,909.10/1,938,193.48
  6. Step 6: Final answer
    x = 777,478.17

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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.