Home / 2,920,818.48-4,030,585.56-1,631,402.16

Finding the Fourth Proportional to 2,920,818.48, 4,030,585.56 and 1,631,402.16

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Solution

The fourth proportional to 2,920,818.48, 4,030,585.56 and 1,631,402.16 is: 2,251,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,818.48 : 4,030,585.56 = 1,631,402.16 : x
  2. Step 2: Convert to fraction form
    2,920,818.48/4,030,585.56 = 1,631,402.16/x
  3. Step 3: Cross multiply
    2,920,818.48x = 4,030,585.56 × 1,631,402.16
  4. Step 4: Simplify right side
    2,920,818.48x = 6,575,505,988,648.81
  5. Step 5: Solve for x
    x = 6,575,505,988,648.81/2,920,818.48
  6. Step 6: Final answer
    x = 2,251,254.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.