Home / 3,427,483.02-5,136,172.55-1,909,075.65

Finding the Fourth Proportional to 3,427,483.02, 5,136,172.55 and 1,909,075.65

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Solution

The fourth proportional to 3,427,483.02, 5,136,172.55 and 1,909,075.65 is: 2,860,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,483.02 : 5,136,172.55 = 1,909,075.65 : x
  2. Step 2: Convert to fraction form
    3,427,483.02/5,136,172.55 = 1,909,075.65/x
  3. Step 3: Cross multiply
    3,427,483.02x = 5,136,172.55 × 1,909,075.65
  4. Step 4: Simplify right side
    3,427,483.02x = 9,805,341,939,858.03
  5. Step 5: Solve for x
    x = 9,805,341,939,858.03/3,427,483.02
  6. Step 6: Final answer
    x = 2,860,799.57

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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.