Home / 2,688,802.30-4,032,037.05-890,991.10

Finding the Fourth Proportional to 2,688,802.30, 4,032,037.05 and 890,991.10

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Solution

The fourth proportional to 2,688,802.30, 4,032,037.05 and 890,991.10 is: 1,336,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,802.30 : 4,032,037.05 = 890,991.10 : x
  2. Step 2: Convert to fraction form
    2,688,802.30/4,032,037.05 = 890,991.10/x
  3. Step 3: Cross multiply
    2,688,802.30x = 4,032,037.05 × 890,991.10
  4. Step 4: Simplify right side
    2,688,802.30x = 3,592,509,126,420.26
  5. Step 5: Solve for x
    x = 3,592,509,126,420.26/2,688,802.30
  6. Step 6: Final answer
    x = 1,336,100.14

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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.