Home / 3,881,031.60-5,821,547.40-2,180,420.40

Finding the Fourth Proportional to 3,881,031.60, 5,821,547.40 and 2,180,420.40

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Solution

The fourth proportional to 3,881,031.60, 5,821,547.40 and 2,180,420.40 is: 3,270,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,031.60 : 5,821,547.40 = 2,180,420.40 : x
  2. Step 2: Convert to fraction form
    3,881,031.60/5,821,547.40 = 2,180,420.40/x
  3. Step 3: Cross multiply
    3,881,031.60x = 5,821,547.40 × 2,180,420.40
  4. Step 4: Simplify right side
    3,881,031.60x = 12,693,420,710,526.96
  5. Step 5: Solve for x
    x = 12,693,420,710,526.96/3,881,031.60
  6. Step 6: Final answer
    x = 3,270,630.60

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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.