Home / 2,938,905.40-4,402,914.90-1,672,972.60

Finding the Fourth Proportional to 2,938,905.40, 4,402,914.90 and 1,672,972.60

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Solution

The fourth proportional to 2,938,905.40, 4,402,914.90 and 1,672,972.60 is: 2,506,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,905.40 : 4,402,914.90 = 1,672,972.60 : x
  2. Step 2: Convert to fraction form
    2,938,905.40/4,402,914.90 = 1,672,972.60/x
  3. Step 3: Cross multiply
    2,938,905.40x = 4,402,914.90 × 1,672,972.60
  4. Step 4: Simplify right side
    2,938,905.40x = 7,365,955,987,831.74
  5. Step 5: Solve for x
    x = 7,365,955,987,831.74/2,938,905.40
  6. Step 6: Final answer
    x = 2,506,360.36

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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.