Home / 2,710,688.60-4,066,009.68-688,938.32

Finding the Fourth Proportional to 2,710,688.60, 4,066,009.68 and 688,938.32

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Solution

The fourth proportional to 2,710,688.60, 4,066,009.68 and 688,938.32 is: 1,033,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710,688.60 : 4,066,009.68 = 688,938.32 : x
  2. Step 2: Convert to fraction form
    2,710,688.60/4,066,009.68 = 688,938.32/x
  3. Step 3: Cross multiply
    2,710,688.60x = 4,066,009.68 × 688,938.32
  4. Step 4: Simplify right side
    2,710,688.60x = 2,801,229,878,042.94
  5. Step 5: Solve for x
    x = 2,801,229,878,042.94/2,710,688.60
  6. Step 6: Final answer
    x = 1,033,401.58

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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.