Home / 1,488,461.80-2,232,692.70-1,411,479.40

Finding the Fourth Proportional to 1,488,461.80, 2,232,692.70 and 1,411,479.40

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Solution

The fourth proportional to 1,488,461.80, 2,232,692.70 and 1,411,479.40 is: 2,117,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,461.80 : 2,232,692.70 = 1,411,479.40 : x
  2. Step 2: Convert to fraction form
    1,488,461.80/2,232,692.70 = 1,411,479.40/x
  3. Step 3: Cross multiply
    1,488,461.80x = 2,232,692.70 × 1,411,479.40
  4. Step 4: Simplify right side
    1,488,461.80x = 3,151,399,752,580.38
  5. Step 5: Solve for x
    x = 3,151,399,752,580.38/1,488,461.80
  6. Step 6: Final answer
    x = 2,117,219.10

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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.