Home / 3,688,970.40-5,531,487.30-1,556,645.40

Finding the Fourth Proportional to 3,688,970.40, 5,531,487.30 and 1,556,645.40

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Solution

The fourth proportional to 3,688,970.40, 5,531,487.30 and 1,556,645.40 is: 2,334,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,970.40 : 5,531,487.30 = 1,556,645.40 : x
  2. Step 2: Convert to fraction form
    3,688,970.40/5,531,487.30 = 1,556,645.40/x
  3. Step 3: Cross multiply
    3,688,970.40x = 5,531,487.30 × 1,556,645.40
  4. Step 4: Simplify right side
    3,688,970.40x = 8,610,564,260,703.42
  5. Step 5: Solve for x
    x = 8,610,564,260,703.42/3,688,970.40
  6. Step 6: Final answer
    x = 2,334,137.53

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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.