Home / 2,938,809.90-4,407,955.65-808,704.30

Finding the Fourth Proportional to 2,938,809.90, 4,407,955.65 and 808,704.30

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Solution

The fourth proportional to 2,938,809.90, 4,407,955.65 and 808,704.30 is: 1,212,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,809.90 : 4,407,955.65 = 808,704.30 : x
  2. Step 2: Convert to fraction form
    2,938,809.90/4,407,955.65 = 808,704.30/x
  3. Step 3: Cross multiply
    2,938,809.90x = 4,407,955.65 × 808,704.30
  4. Step 4: Simplify right side
    2,938,809.90x = 3,564,732,688,364.30
  5. Step 5: Solve for x
    x = 3,564,732,688,364.30/2,938,809.90
  6. Step 6: Final answer
    x = 1,212,985.12

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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.